Package org.jboss.errai.codegen.framework.meta

Examples of org.jboss.errai.codegen.framework.meta.MetaClass

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  @Override
  public boolean isAssignableTo(MetaClass clazz) {
    if (clazz.equals(MetaClassFactory.get(Object.class)))
      return true;

    MetaClass cls = this;
    do {
      if (cls.equals(clazz))
        return true;
    }
    while ((cls = cls.getSuperClass()) != null);

    return _hasInterface(getInterfaces(), clazz.getErased());
  }
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    if (_internalNameCache != null) return _internalNameCache;

    String name = getFullyQualifiedName();

    String dimString = "";
    MetaClass type = this;
    if (isArray()) {
      type = type.getComponentType();
      int dim = 1;
      while (type.isArray()) {
        dim++;
        type = type.getComponentType();
      }

      for (int i = 0; i < dim; i++) {
        dimString += "[";
      }

      name = type.getFullyQualifiedName();
    }

    if (type.isPrimitive()) {
      name = getInternalPrimitiveNameFrom(name.trim());
    }
    else {
      name = "L" + getInternalPrimitiveNameFrom(name.trim()).replaceAll("\\.", "/") + ";";
    }
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  @Override
  public MetaClass getOuterComponentType() {
    if (_outerComponentCache != null) return _outerComponentCache;

    MetaClass c = this;
    while (c.isArray()) {
      c = c.getComponentType();
    }
    return _outerComponentCache = c;
  }
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    return fieldName;
  }


  public static void addPrivateAccessStubs(boolean useJSNIStubs, ClassStructureBuilder<?> classBuilder, MetaField f) {
    MetaClass type = f.getType();
    if (type.getCanonicalName().equals("long")) {
      type = type.asBoxed();
    }

    if (useJSNIStubs) {
      classBuilder.privateMethod(void.class, getPrivateFieldInjectorName(f))
              .parameters(DefParameters.fromParameters(Parameter.of(f.getDeclaringClass(), "instance"),
                      Parameter.of(type.isArray() ? type.asBoxed() : type, "value")))
              .modifiers(Modifier.Static, Modifier.JSNI)
              .body()
              .append(new StringStatement(JSNIUtil.fieldAccess(f) + " = value"))
              .finish();
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    }
  }


  private static String _getReflectionFieldMethGetName(MetaField f) {
    MetaClass t = f.getType();

    if (!t.isPrimitive()) {
      return "get";
    }
    else if (t.getFullyQualifiedName().equals("int")) {
      return "getInt";
    }
    else if (t.getFullyQualifiedName().equals("short")) {
      return "getShort";
    }
    else if (t.getFullyQualifiedName().equals("boolean")) {
      return "getBoolean";
    }
    else if (t.getFullyQualifiedName().equals("double")) {
      return "getDouble";
    }
    else if (t.getFullyQualifiedName().equals("float")) {
      return "getFloat";
    }
    else if (t.getFullyQualifiedName().equals("byte")) {
      return "getByte";
    }
    else if (t.getFullyQualifiedName().equals("long")) {
      return "getLong";
    }
    else if (t.getFullyQualifiedName().equals("char")) {
      return "getChar";
    }
    return null;
  }
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    return generatedCache = buf.toString();
  }

  @Override
  public MetaClass getType() {
    MetaClass returnType = method.getReturnType();

    if (method.getGenericReturnType() != null && method.getGenericReturnType() instanceof MetaTypeVariable) {
      typeVariables = new HashMap<String, MetaClass>();
      resolveTypeVariables();
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  }

  // Resolves type variables by inspecting call parameters
  private void resolveTypeVariables() {
    MetaParameterizedType gSuperClass = inputType.getGenericSuperClass();
    MetaClass superClass = inputType.getSuperClass();

    if (superClass != null && superClass.getTypeParameters() != null & superClass.getTypeParameters().length > 0
            && gSuperClass != null && gSuperClass.getTypeParameters().length > 0) {
      for (int i = 0; i < superClass.getTypeParameters().length; i++) {
        if (gSuperClass.getTypeParameters()[i] instanceof MetaClass) {
          typeVariables.put(superClass.getTypeParameters()[i].getName(), (MetaClass) gSuperClass.getTypeParameters()[i]);
        }
        else if (gSuperClass.getTypeParameters()[i] instanceof MetaWildcardType) {
          typeVariables.put(superClass.getTypeParameters()[i].getName(), MetaClassFactory.get(Object.class));
        }
      }
    }

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    try {
      CallParameters callParams = fromStatements(GenUtil.generateCallParameters(context, parameters));

      statement.generate(context);
     
      MetaClass callType = statement.getType();

      MetaClass[] parameterTypes = callParams.getParameterTypes();
      final MetaMethod method = (staticMethod) ? callType.getBestMatchingStaticMethod(methodName, parameterTypes)
              : callType.getBestMatchingMethod(methodName, parameterTypes);

      if (method == null) {
        callType.getBestMatchingMethod(methodName, parameterTypes);
        throw new UndefinedMethodException(statement.getType(), methodName, parameterTypes);
      }

      /**
       * If the method is within the calling scope, we can strip the qualifying reference.
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    return null;
  }


  private static String _getReflectionFieldMethSetName(MetaField f) {
    MetaClass t = f.getType();

    if (!t.isPrimitive()) {
      return "set";
    }
    else if (t.getFullyQualifiedName().equals("int")) {
      return "setInt";
    }
    else if (t.getFullyQualifiedName().equals("short")) {
      return "setShort";
    }
    else if (t.getFullyQualifiedName().equals("boolean")) {
      return "setBoolean";
    }
    else if (t.getFullyQualifiedName().equals("double")) {
      return "setDouble";
    }
    else if (t.getFullyQualifiedName().equals("float")) {
      return "setFloat";
    }
    else if (t.getFullyQualifiedName().equals("byte")) {
      return "setByte";
    }
    else if (t.getFullyQualifiedName().equals("long")) {
      return "setLong";
    }
    else if (t.getFullyQualifiedName().equals("char")) {
      return "setChar";
    }
    return null;
  }
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    }
    return 0;
  }

  public static MetaMethod findCaseInsensitiveMatch(MetaClass retType, MetaClass clazz, String name, MetaClass... parms) {
    MetaClass c = clazz;

    do {
      Outer:
      for (MetaMethod method : c.getDeclaredMethods()) {
        if (name.equalsIgnoreCase(method.getName())) {
          if (parms.length != method.getParameters().length) continue;

          MetaParameter[] mps = method.getParameters();
          for (int i = 0; i < parms.length; i++) {
            if (!parms[i].getFullyQualifiedName().equals(mps[i].getType().getFullyQualifiedName())) {
              continue Outer;
            }
          }

          if (retType != null
                  && !retType.getFullyQualifiedName().equals(method.getReturnType().getFullyQualifiedName())) {
            continue;
          }

          return method;
        }
      }
    }
    while ((c = c.getSuperClass()) != null);

    return null;
  }
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Related Classes of org.jboss.errai.codegen.framework.meta.MetaClass

  • org.jboss.errai.codegen.framework.builder.callstack.LoadClassReference
  • org.jboss.errai.codegen.framework.builder.callstack.LoadVariable
  • org.jboss.errai.codegen.framework.builder.callstack.MethodCall
  • org.jboss.errai.codegen.framework.builder.impl.AssignmentBuilder
  • org.jboss.errai.codegen.framework.builder.impl.LoopBuilderImpl
  • org.jboss.errai.codegen.framework.builder.impl.StatementBuilder
  • org.jboss.errai.codegen.framework.meta.impl.AbstractMetaClass
  • org.jboss.errai.codegen.framework.meta.impl.java.JavaReflectionClass
  • org.jboss.errai.codegen.framework.meta.impl.java.JavaReflectionConstructor
  • org.jboss.errai.codegen.framework.meta.impl.java.JavaReflectionMethod
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