[101] | 1 | package com.framsticks.params; |
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| 2 | |
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[103] | 3 | import java.util.LinkedList; |
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| 4 | import java.util.ListIterator; |
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| 5 | |
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| 6 | import javax.annotation.Nullable; |
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| 7 | |
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[105] | 8 | import org.apache.commons.lang3.ClassUtils; |
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[101] | 9 | import org.apache.logging.log4j.Logger; |
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| 10 | import org.apache.logging.log4j.LogManager; |
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| 11 | |
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[103] | 12 | import com.framsticks.communication.File; |
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| 13 | import com.framsticks.params.types.ListParam; |
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| 14 | import com.framsticks.parsers.MultiParamLoader; |
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[105] | 15 | import com.framsticks.structure.messages.Result; |
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[101] | 16 | import com.framsticks.util.FramsticksException; |
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[103] | 17 | import com.framsticks.util.FramsticksUnsupportedOperationException; |
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| 18 | import com.framsticks.util.Misc; |
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| 19 | import com.framsticks.util.UnimplementedException; |
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| 20 | import com.framsticks.util.lang.Casting; |
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[101] | 21 | import com.framsticks.util.lang.Containers; |
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| 22 | import com.framsticks.util.lang.Holder; |
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[103] | 23 | import com.framsticks.util.lang.Pair; |
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[101] | 24 | // import com.framsticks.util.lang.Containers; |
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| 25 | |
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| 26 | import static com.framsticks.params.SetStateFlags.*; |
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[102] | 27 | import static com.framsticks.util.lang.Containers.filterInstanceof; |
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[101] | 28 | |
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| 29 | public final class AccessOperations { |
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| 30 | |
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[103] | 31 | private final static Logger log = LogManager.getLogger(AccessOperations.class); |
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[101] | 32 | |
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| 33 | /** |
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| 34 | * |
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| 35 | */ |
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| 36 | private AccessOperations() { |
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| 37 | } |
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| 38 | |
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| 39 | /** |
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| 40 | * Simple String key, value class. |
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| 41 | */ |
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| 42 | public static class Entry { |
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| 43 | |
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| 44 | public final String key; |
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| 45 | public final String value; |
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| 46 | |
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| 47 | public Entry(String key, String value) { |
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| 48 | this.key = key; |
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| 49 | this.value = value; |
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| 50 | } |
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| 51 | |
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| 52 | @Override |
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| 53 | public String toString() { |
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| 54 | return key + " = " + value; |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | private static Entry readEntry(Source source) { |
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| 59 | |
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| 60 | String line; |
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| 61 | String key = null; |
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| 62 | StringBuilder value = null; |
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| 63 | while ((line = source.readLine()) != null) { |
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| 64 | if (key == null) { |
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| 65 | int colonIndex = line.indexOf(':'); |
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| 66 | if (colonIndex == -1) { |
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| 67 | return null; |
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| 68 | } |
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| 69 | key = line.substring(0, colonIndex); |
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| 70 | String inlineValue = line.substring(colonIndex + 1); |
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| 71 | |
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| 72 | |
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| 73 | if (!inlineValue.startsWith("~")) { |
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| 74 | return new Entry(key, inlineValue); |
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| 75 | } |
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| 76 | value = new StringBuilder(); |
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| 77 | value.append(inlineValue.substring(1)); |
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| 78 | continue; |
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| 79 | } |
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| 80 | if (value.length() != 0) { |
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| 81 | value.append(System.getProperty("line.separator")); |
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| 82 | } |
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| 83 | if (line.endsWith("~") && !line.endsWith("\\~")) { |
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| 84 | value.append(line.substring(0, line.length() - 1)); |
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| 85 | return new Entry(key, value.toString().replaceAll("\\\\~", "~")); |
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| 86 | } |
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| 87 | value.append(line); |
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| 88 | } |
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| 89 | return null; |
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| 90 | } |
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| 91 | |
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[103] | 92 | public static <A extends Access> A assureSelected(A access) { |
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| 93 | if (access.getSelected() == null) { |
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| 94 | access.select(access.createAccessee()); |
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| 95 | } |
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| 96 | return access; |
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| 97 | } |
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| 98 | |
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| 99 | public static Access loadAll(@Nullable final Access rootAccess, Source source, final Registry registry) { |
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| 100 | final MultiParamLoader loader = new MultiParamLoader(); |
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[107] | 101 | log.trace("loading all from {} into {}", source, rootAccess); |
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[103] | 102 | loader.setNewSource(source); |
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| 103 | final LinkedList<Access> accessesStack = new LinkedList<>(); |
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| 104 | if (rootAccess != null) { |
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| 105 | assureSelected(rootAccess); |
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| 106 | accessesStack.add(rootAccess); |
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| 107 | } |
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| 108 | final Holder<Boolean> first = new Holder<>(true); |
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| 109 | final Holder<Boolean> needAdd = new Holder<>(); |
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| 110 | final Holder<Access> currentAccess = new Holder<>(); |
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| 111 | final Holder<Pair<Access, CompositeParam>> parent = new Holder<>(); |
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| 112 | |
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| 113 | loader.setAccessProvider(new AccessProvider() { |
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| 114 | @Override |
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| 115 | public Access getAccess(String name) { |
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| 116 | if (first.get()) { |
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| 117 | first.set(false); |
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| 118 | if (rootAccess != null) { |
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[105] | 119 | if (name.equals(rootAccess.getTypeId())) { |
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[103] | 120 | needAdd.set(false); |
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| 121 | currentAccess.set(rootAccess); |
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| 122 | return rootAccess; |
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| 123 | } |
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| 124 | } else { |
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| 125 | Access access = registry.createAccess(name); |
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| 126 | needAdd.set(false); |
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| 127 | currentAccess.set(access); |
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| 128 | return access; |
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| 129 | |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | ListIterator<Access> accessIterator = accessesStack.listIterator(accessesStack.size()); |
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| 134 | parent.set(null); |
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| 135 | // log.debug("accesses stack: {}", accessesStack); |
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| 136 | |
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| 137 | while (accessIterator.hasPrevious()) { |
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| 138 | Access a = accessIterator.previous(); |
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| 139 | assert a != null; |
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| 140 | |
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| 141 | for (CompositeParam p : Containers.filterInstanceof(a.getParams(), CompositeParam.class)) { |
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| 142 | if (p.getContainedTypeName().equals(name)) { |
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| 143 | |
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| 144 | if (parent.get() != null) { |
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| 145 | throw new FramsticksException().msg("ambiguity encountered during loading").arg("name", name); |
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| 146 | } |
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| 147 | |
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| 148 | if (p instanceof ListParam) { |
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[107] | 149 | ListAccess listAccess = Casting.assertCast(ListAccess.class, registry.prepareAccess(p, true)); |
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| 150 | Object list = a.get(p, Object.class); |
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| 151 | if (list == null) { |
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| 152 | list = listAccess.createAccessee(); |
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| 153 | a.set(p, list); |
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| 154 | } |
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| 155 | listAccess.select(list); |
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[103] | 156 | parent.set(new Pair<Access, CompositeParam>(listAccess, listAccess.prepareParamFor(Integer.toString(listAccess.getParamCount())))); |
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| 157 | |
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| 158 | } else { |
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| 159 | parent.set(Pair.make(a, p)); |
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| 160 | } |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | if (parent.get() == null) { |
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[107] | 165 | log.trace("{} cannot be placed in {}", name, a); |
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[103] | 166 | accessIterator.remove(); |
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| 167 | } |
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| 168 | } |
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| 169 | |
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| 170 | if (parent.get() == null) { |
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[107] | 171 | throw new FramsticksException().msg("failed to find place for loaded object").arg("name", name); //.arg("in", accessesStack); |
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[103] | 172 | } |
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| 173 | |
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[107] | 174 | currentAccess.set(registry.prepareAccess(parent.get().second, true)); |
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[103] | 175 | Object object = parent.get().first.get(parent.get().second, Object.class); |
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| 176 | if (object != null) { |
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| 177 | currentAccess.get().select(object); |
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| 178 | needAdd.set(false); |
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| 179 | } else { |
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| 180 | object = currentAccess.get().createAccessee(); |
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| 181 | currentAccess.get().select(object); |
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| 182 | needAdd.set(true); |
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| 183 | } |
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| 184 | |
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| 185 | return currentAccess.get(); |
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| 186 | } |
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| 187 | }); |
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| 188 | |
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| 189 | loader.addListener(MultiParamLoader.Status.AfterObject, new MultiParamLoader.StatusListener() { |
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| 190 | @Override |
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| 191 | public void onStatusChange() { |
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| 192 | if (needAdd.get()) { |
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| 193 | parent.get().first.set(parent.get().second, currentAccess.get().getSelected()); |
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| 194 | } |
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| 195 | if (currentAccess.get() != rootAccess) { |
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| 196 | accessesStack.add(currentAccess.get()); |
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| 197 | } |
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| 198 | currentAccess.set(null); |
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| 199 | } |
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| 200 | }); |
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| 201 | |
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| 202 | loader.go(); |
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| 203 | if (accessesStack.isEmpty()) { |
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| 204 | throw new FramsticksException().msg("failed to load from source").arg("source", source); |
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| 205 | } |
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| 206 | return accessesStack.get(0); |
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| 207 | } |
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| 208 | |
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[107] | 209 | public static <S extends Sink> S saveAll(Access access, S sink, Registry registry) { |
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[102] | 210 | if (access instanceof ObjectAccess) { |
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[103] | 211 | savePrimitives(access, sink); |
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| 212 | } |
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| 213 | for (CompositeParam p : filterInstanceof(access.getParams(), CompositeParam.class)) { |
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| 214 | Object child = access.get(p, Object.class); |
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| 215 | if (child == null) { |
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| 216 | continue; |
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| 217 | } |
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[107] | 218 | saveAll(registry.prepareAccess(p, true).select(child), sink, registry); |
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[103] | 219 | } |
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[107] | 220 | return sink; |
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[103] | 221 | } |
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| 222 | |
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| 223 | public static void saveComposites(Access access, Sink sink, Registry registry) { |
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| 224 | for (CompositeParam p : filterInstanceof(access.getParams(), CompositeParam.class)) { |
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| 225 | Object child = access.get(p, Object.class); |
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| 226 | if (child == null) { |
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| 227 | continue; |
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| 228 | } |
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[107] | 229 | savePrimitives(registry.prepareAccess(p, true).select(child), sink); |
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[103] | 230 | } |
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| 231 | } |
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| 232 | |
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| 233 | public static void savePrimitives(Access access, Sink sink) { |
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| 234 | if (access instanceof ObjectAccess) { |
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[102] | 235 | ObjectAccess objectAccess = (ObjectAccess) access; |
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[103] | 236 | boolean headerNeeded = true; |
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| 237 | // sink.print(framsClass.getId()).print(":").breakLine(); |
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[105] | 238 | for (PrimitiveParam<?> p : filterInstanceof(access.getParams(), PrimitiveParam.class)) { |
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[103] | 239 | |
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[102] | 240 | Object value = objectAccess.get(p, Object.class); |
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| 241 | if ((value == null) || value.equals(p.getDef(Object.class))) { |
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| 242 | continue; |
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| 243 | } |
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[103] | 244 | |
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| 245 | if (headerNeeded) { |
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[105] | 246 | sink.print(access.getTypeId()).print(":").breakLine(); |
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[103] | 247 | headerNeeded = false; |
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| 248 | } |
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| 249 | |
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[105] | 250 | String stringValue = p.serialize(value); |
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| 251 | |
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| 252 | sink.print(p.getId()).print(":").print(stringValue); |
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| 253 | // p.save(sink, stringValue); |
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[102] | 254 | sink.breakLine(); |
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| 255 | } |
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[103] | 256 | if (!headerNeeded) { |
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| 257 | sink.breakLine(); |
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| 258 | } |
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[102] | 259 | return; |
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[103] | 260 | } |
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| 261 | throw new FramsticksException().msg("invalid type of access for primitive save").arg("access", access); |
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| 262 | } |
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[102] | 263 | |
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[103] | 264 | public static void save(Access access, Sink sink) { |
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| 265 | if (access instanceof ObjectAccess) { |
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| 266 | savePrimitives(access, sink); |
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| 267 | return; |
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[102] | 268 | } |
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| 269 | if (access instanceof ListAccess) { |
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| 270 | ListAccess listAccess = (ListAccess) access; |
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| 271 | for (CompositeParam p : filterInstanceof(listAccess.getParams(), CompositeParam.class)) { |
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| 272 | Object child = listAccess.get(p, Object.class); |
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| 273 | //this is probably an assertion |
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| 274 | assert child != null; |
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| 275 | save(listAccess.getElementAccess().select(child), sink); |
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| 276 | } |
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| 277 | return; |
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| 278 | } |
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| 279 | throw new FramsticksException().msg("unknown access category").arg("access", access); |
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| 280 | } |
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| 281 | |
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[103] | 282 | public static void loadComposites(Access access, Source source, final Registry registry) { |
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| 283 | if (access instanceof ObjectAccess) { |
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| 284 | final ObjectAccess objectAccess = (ObjectAccess) access; |
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| 285 | |
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| 286 | MultiParamLoader loader = new MultiParamLoader(); |
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| 287 | |
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| 288 | loader.setNewSource(source); |
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| 289 | |
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| 290 | loader.setAccessProvider(new AccessProvider() { |
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| 291 | @Override |
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| 292 | public Access getAccess(String name) { |
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| 293 | CompositeParam result = null; |
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| 294 | for (CompositeParam p : filterInstanceof(objectAccess.getParams(), CompositeParam.class)) { |
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| 295 | if (p.getContainedTypeName().equals(name)) { |
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| 296 | if (result != null) { |
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| 297 | throw new FramsticksException().msg("class name is ambiguous in access").arg("name", name).arg("first candidate", result).arg("second candidate", p); |
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| 298 | } |
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| 299 | result = p; |
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| 300 | |
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| 301 | } |
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| 302 | } |
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| 303 | if (result == null) { |
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| 304 | throw new FramsticksException().msg("class name is unknown").arg("name", name).arg("in", objectAccess); |
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| 305 | } |
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| 306 | |
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[107] | 307 | return registry.prepareAccess(result, true).select(objectAccess.get(result, Object.class)); |
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[103] | 308 | } |
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| 309 | }); |
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| 310 | |
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| 311 | |
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| 312 | loader.go(); |
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| 313 | |
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| 314 | return; |
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| 315 | } |
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| 316 | throw new UnimplementedException().msg("unknown access category").arg("access", access); |
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| 317 | } |
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| 318 | |
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[101] | 319 | public static void load(Access access, Source source) { |
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[102] | 320 | if (!(access instanceof ObjectAccess)) { |
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| 321 | throw new FramsticksException().msg("access is not an object access").arg("access", access); |
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| 322 | } |
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[101] | 323 | Entry entry; |
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| 324 | while ((entry = readEntry(source)) != null) { |
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| 325 | Param param = access.getParam(entry.key); |
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| 326 | if (param == null) { |
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| 327 | throw new FramsticksException().msg("param not found in access").arg("name", entry.key).arg("access", access); |
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| 328 | } |
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| 329 | if (!(param instanceof ValueParam)) { |
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| 330 | throw new FramsticksException().msg("param is not a value param").arg("param", param).arg("access", access); |
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| 331 | } |
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| 332 | if ((param.getFlags() & ParamFlags.DONTLOAD) == 0) { |
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[107] | 333 | ValueParam valueParam = (ValueParam) param; |
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| 334 | // Object object = valueParam.deserialize(entry.value, null, Object.class); |
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| 335 | int retFlags = access.set(valueParam, entry.value); |
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[101] | 336 | if ((retFlags & (PSET_HITMIN | PSET_HITMAX)) != 0) { |
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| 337 | String which = ((retFlags & PSET_HITMIN) != 0) ? "small" : "big"; |
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| 338 | log.warn("value of key '{}' was too {}, adjusted", entry.key, which); |
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| 339 | } |
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| 340 | } |
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| 341 | } |
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| 342 | } |
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| 343 | |
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| 344 | public interface Adjuster { |
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| 345 | public Holder<Object> adjust(ValueParam param); |
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| 346 | public Class<? extends ValueParam> getParamType(); |
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| 347 | } |
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| 348 | |
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| 349 | public static class MinAdjuster implements Adjuster { |
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| 350 | |
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| 351 | /** |
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| 352 | * |
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| 353 | */ |
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| 354 | public MinAdjuster() { |
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| 355 | } |
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| 356 | |
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| 357 | @Override |
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| 358 | public Class<? extends ValueParam> getParamType() { |
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| 359 | return PrimitiveParam.class; |
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| 360 | } |
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| 361 | |
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| 362 | @Override |
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| 363 | public Holder<Object> adjust(ValueParam param) { |
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| 364 | Object value = ((PrimitiveParam<?>) param).getMin(Object.class); |
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| 365 | if (value == null) { |
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| 366 | return null; |
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| 367 | } |
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| 368 | return Holder.make(value); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | public static class MaxAdjuster implements Adjuster { |
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| 373 | |
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| 374 | /** |
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| 375 | * |
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| 376 | */ |
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| 377 | public MaxAdjuster() { |
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| 378 | } |
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| 379 | |
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| 380 | @Override |
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| 381 | public Class<? extends ValueParam> getParamType() { |
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| 382 | return PrimitiveParam.class; |
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| 383 | } |
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| 384 | |
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| 385 | @Override |
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| 386 | public Holder<Object> adjust(ValueParam param) { |
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| 387 | Object value = ((PrimitiveParam<?>) param).getMax(Object.class); |
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| 388 | if (value == null) { |
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| 389 | return null; |
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| 390 | } |
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| 391 | return Holder.make(value); |
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| 392 | } |
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| 393 | } |
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| 394 | |
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| 395 | public static class DefAdjuster implements Adjuster { |
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| 396 | |
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| 397 | protected final boolean numericOnly; |
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| 398 | |
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| 399 | /** |
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| 400 | * @param numericOnly |
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| 401 | */ |
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| 402 | public DefAdjuster(boolean numericOnly) { |
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| 403 | this.numericOnly = numericOnly; |
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| 404 | } |
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| 405 | |
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| 406 | public Class<? extends ValueParam> getParamType() { |
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| 407 | return ValueParam.class; |
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| 408 | } |
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| 409 | |
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| 410 | @Override |
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| 411 | public Holder<Object> adjust(ValueParam param) { |
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| 412 | if (numericOnly && !(param.isNumeric())) { |
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| 413 | return null; |
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| 414 | } |
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| 415 | return Holder.make(param.getDef(Object.class)); |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | public static void adjustAll(Access access, Adjuster adjuster) { |
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| 420 | for (ValueParam param : Containers.filterInstanceof(access.getParams(), adjuster.getParamType())) { |
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| 421 | Holder<Object> value = adjuster.adjust(param); |
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| 422 | if (value != null) { |
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| 423 | access.set(param, value.get()); |
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| 424 | } |
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| 425 | } |
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| 426 | } |
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| 427 | |
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[105] | 428 | public static Object wrapValueInResultIfPrimitive(Object object) { |
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| 429 | Class<?> javaClass = object.getClass(); |
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| 430 | if (ClassUtils.isPrimitiveOrWrapper(javaClass)) { |
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| 431 | return new Result(object); |
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| 432 | } |
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| 433 | if (javaClass.equals(String.class)) { |
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| 434 | return new Result(object); |
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| 435 | } |
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| 436 | return object; |
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| 437 | } |
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[103] | 438 | |
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| 439 | /** |
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| 440 | * |
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| 441 | * If both arguments are File, than do nothing; otherwise: |
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| 442 | * |
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| 443 | * If from argument is a File: |
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| 444 | * - if toJavaClass is Object.class, than try read using registry |
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| 445 | * - otherwise: try use loadComposites |
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| 446 | * |
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| 447 | * If to argument is a File: |
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| 448 | * - use Registry to saveAll |
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| 449 | * |
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| 450 | */ |
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| 451 | public static <T, F> T convert(Class<T> toJavaClass, F from, Registry registry) { |
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[107] | 452 | log.trace("converting from {} to {}", from, toJavaClass); |
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[103] | 453 | if (toJavaClass.equals(from.getClass())) { |
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| 454 | return toJavaClass.cast(from); |
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| 455 | } |
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| 456 | if (from instanceof File) { |
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| 457 | File file = (File) from; |
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| 458 | return Casting.throwCast(toJavaClass, loadAll((toJavaClass.equals(Object.class) ? null : registry.createAccess(toJavaClass)), file.getContent(), registry).getSelected()); |
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| 459 | } |
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| 460 | if (toJavaClass.equals(File.class)) { |
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| 461 | ListSink sink = new ListSink(); |
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| 462 | saveAll(registry.createAccess(from.getClass()).select(from), sink, registry); |
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| 463 | return Casting.throwCast(toJavaClass, new File("", new ListSource(sink.getOut()))); |
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| 464 | } |
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| 465 | |
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| 466 | throw new FramsticksUnsupportedOperationException().msg("conversion").arg("from", from.getClass()).arg("to", toJavaClass); |
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| 467 | } |
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| 468 | |
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| 469 | @SuppressWarnings("serial") |
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| 470 | public static class EqualityException extends FramsticksException { |
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| 471 | } |
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| 472 | |
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| 473 | |
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| 474 | public static void assureEquality(Access a, Access b, Registry registry) { |
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| 475 | try { |
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| 476 | if (a.getParamCount() != b.getParamCount()) { |
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| 477 | throw new EqualityException().msg("param count not equal").arg("left", a.getParamCount()).arg("right", b.getParamCount()); |
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| 478 | } |
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| 479 | for (ValueParam avp : Containers.filterInstanceof(a.getParams(), ValueParam.class)) { |
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| 480 | Param bp = b.getParam(avp.getId()); |
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| 481 | if (bp == null) { |
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| 482 | throw new EqualityException().msg("param from left not present in right").arg("param", avp); |
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| 483 | } |
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| 484 | Misc.checkEquals(avp.getClass(), bp.getClass(), "params type not equals", null); |
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| 485 | ValueParam bvp = (ValueParam) bp; |
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| 486 | |
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| 487 | Object oa = a.get(avp, Object.class); |
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| 488 | Object ob = b.get(avp, Object.class); |
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| 489 | |
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| 490 | if (avp instanceof CompositeParam) { |
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[107] | 491 | assureEquality(registry.prepareAccess((CompositeParam) avp, false).select(oa), registry.prepareAccess((CompositeParam) bvp, false).select(ob), registry); |
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[103] | 492 | continue; |
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| 493 | } |
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| 494 | Misc.checkEquals(oa, ob, "values not equal", null); |
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| 495 | } |
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| 496 | } catch (EqualityException e) { |
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| 497 | throw e.arg("left", a).arg("right", b); |
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| 498 | } |
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| 499 | } |
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| 500 | |
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| 501 | public static boolean areEqual(Access a, Access b, Registry registry) { |
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| 502 | try { |
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| 503 | assureEquality(a, b, registry); |
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| 504 | return true; |
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| 505 | } catch (EqualityException e) { |
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| 506 | } |
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| 507 | return false; |
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| 508 | } |
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| 509 | |
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[101] | 510 | } |
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