Examples with Type java.lang.reflect.Type used on opensource projects

Example 16 with Type

use of java.lang.reflect.Type in project che by eclipse.

the class DtoModel method analyzeDtoGetterMethod.

/**
     * Populate model from given reflect getter method
     * @param method the method to analyze
     * @param methodModel the model to update
     */
protected void analyzeDtoGetterMethod(Method method, MethodModel methodModel) {
    methodModel.setGetter(true);
    Type fieldType = method.getGenericReturnType();
    String fieldName = getGetterFieldName(method);
    fieldAttributes.put(fieldName, fieldType);
    methodModel.setFieldName(fieldName);
    methodModel.setFieldType(convertType(fieldType));
}

Example 17 with Type

use of java.lang.reflect.Type in project che by eclipse.

the class DtoImplClientTemplate method emitDeserializerImpl.

/**
     * Produces code to deserialize the type with the given variable names.
     *
     * @param expandedTypes
     *         the type and its generic (and its generic (..)) expanded into a list, @see {@link #expandType(java.lang.reflect.Type)}
     * @param depth
     *         the depth (in the generics) for this recursive call. This can be used to index into {@code expandedTypes}
     * @param builder
     *         StringBuilder to add generated code for deserialization
     * @param inVar
     *         the java type that will be the input for deserialization
     * @param outVar
     *         the JsonElement subtype that will be the output for serialization
     * @param i
     *         indentation string
     */
private void emitDeserializerImpl(List<Type> expandedTypes, int depth, StringBuilder builder, String inVar, String outVar, String i) {
    Type type = expandedTypes.get(depth);
    String childInVar = inVar + "_";
    String childInVarIterator = childInVar + "_iterator";
    String childOutVar = outVar + "_";
    Class<?> rawClass = getRawClass(type);
    if (isList(rawClass)) {
        builder.append(i).append(getImplName(type, false)).append(" ").append(outVar).append(" = null;\n");
        builder.append(i).append("if (").append(inVar).append(" != null && ").append(inVar).append(".isNull() == null) {\n");
        builder.append(i).append("  ").append(outVar).append(" = new ").append(getImplName(type, true)).append("();\n");
        builder.append(i).append("  for (int ").append(childInVarIterator).append(" = 0; ").append(childInVarIterator).append(" < ").append(inVar).append(".isArray().size(); ").append(childInVarIterator).append("++) {\n");
        builder.append(i).append("    JSONValue ").append(childInVar).append(" = ").append(inVar).append(".isArray().get(").append(childInVarIterator).append(");\n");
        emitDeserializerImpl(expandedTypes, depth + 1, builder, childInVar, childOutVar, i + "    ");
        builder.append(i).append("    ").append(outVar).append(".add(").append(childOutVar).append(");\n");
        builder.append(i).append("  }\n");
        builder.append(i).append("}\n");
    } else if (isMap(rawClass)) {
        // TODO: Handle type
        String entryVar = "key" + depth;
        String entriesVar = "keySet" + depth;
        builder.append(i).append(getImplName(type, false)).append(" ").append(outVar).append(" = null;\n");
        builder.append(i).append("if (").append(inVar).append(" != null && ").append(inVar).append(".isNull() == null) {\n");
        builder.append(i).append("  ").append(outVar).append(" = new ").append(getImplName(type, true)).append("();\n");
        builder.append(i).append("  java.util.Set<String> ").append(entriesVar).append(" = ").append(inVar).append(".isObject().keySet();\n");
        builder.append(i).append("  for (String ").append(entryVar).append(" : ").append(entriesVar).append(") {\n");
        builder.append(i).append("    JSONValue ").append(childInVar).append(" = ").append(inVar).append(".isObject().get(").append(entryVar).append(");\n");
        emitDeserializerImpl(expandedTypes, depth + 1, builder, childInVar, childOutVar, i + "    ");
        builder.append(i).append("    ").append(outVar).append(".put(").append(entryVar).append(", ").append(childOutVar).append(");\n");
        builder.append(i).append("  }\n");
        builder.append(i).append("}\n");
    } else if (rawClass.isEnum()) {
        String primitiveName = rawClass.getCanonicalName();
        builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(primitiveName).append(".valueOf(").append(inVar).append(".isString().stringValue());\n");
    } else if (getEnclosingTemplate().isDtoInterface(rawClass)) {
        String className = getImplName(rawClass, false);
        builder.append(i).append(className).append(" ").append(outVar).append(" = ").append(getImplNameForDto(rawClass)).append(".fromJsonObject(").append(inVar).append(");\n");
    } else if (rawClass.equals(String.class)) {
        String primitiveName = rawClass.getSimpleName();
        builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isString() != null ? ").append(inVar).append(".isString().stringValue() : null;\n");
    } else if (isNumber(rawClass)) {
        String primitiveName = rawClass.getSimpleName();
        String typeCast = rawClass.equals(double.class) || rawClass.equals(Double.class) ? "" : "(" + getPrimitiveName(rawClass) + ")";
        if (rawClass.isPrimitive()) {
            builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(typeCast).append(inVar).append(".isNumber().doubleValue();\n");
        } else {
            if (isInteger(rawClass)) {
                builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isNumber() != null ? ((Double)").append(inVar).append(".isNumber().doubleValue()).intValue() : null;\n");
            } else if (isFloat(rawClass)) {
                builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isNumber() != null ? ((Double)").append(inVar).append(".isNumber().doubleValue()).floatValue() : null;\n");
            } else if (isLong(rawClass)) {
                builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isNumber() != null ? ((Double)").append(inVar).append(".isNumber().doubleValue()).longValue() : null;\n");
            } else if (isDouble(rawClass)) {
                builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isNumber() != null ? ((Double)").append(inVar).append(".isNumber().doubleValue()).doubleValue() : null;\n");
            }
        }
    } else if (isBoolean(rawClass)) {
        String primitiveName = rawClass.getSimpleName();
        if (rawClass.isPrimitive()) {
            builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isBoolean().booleanValue();\n");
        } else {
            builder.append(i).append(primitiveName).append(" ").append(outVar).append(" = ").append(inVar).append(".isBoolean() != null ? ").append(inVar).append(".isBoolean().booleanValue() : null;\n");
        }
    } else if (isAny(rawClass)) {
        // TODO JsonElement.deepCopy() is package-protected, JSONs are serialized to strings then parsed for copying them
        // outVar = copyJsons ? new JsonParser().parse(inVar) : inVar;
        builder.append(i).append("JSONValue ").append(outVar).append(" = ");
        appendCopyJsonExpression(inVar, builder).append(";\n");
    } else {
        final Class<?> dtoImplementation = getEnclosingTemplate().getDtoImplementation(rawClass);
        if (dtoImplementation != null) {
            String className = getImplName(rawClass, false);
            builder.append(i).append(className).append(" ").append(outVar).append(" = ").append(dtoImplementation.getCanonicalName()).append(".fromJsonObject(").append(inVar).append(");\n");
        } else {
            throw new IllegalArgumentException("Unable to generate client implementation for DTO interface " + getDtoInterface().getCanonicalName() + ". Type " + rawClass + " is not allowed to use in DTO interface.");
        }
    }
}

Example 18 with Type

use of java.lang.reflect.Type in project che by eclipse.

the class DtoImplClientTemplate method emitDeserializeFieldForMethodCompact.

private void emitDeserializeFieldForMethodCompact(Method method, final StringBuilder builder) {
    final String fieldName = getFieldNameFromGetterName(method.getName());
    final String fieldNameIn = fieldName + "In";
    final String fieldNameOut = fieldName + "Out";
    final String baseIndentation = "        ";
    SerializationIndex serializationIndex = Preconditions.checkNotNull(method.getAnnotation(SerializationIndex.class));
    int index = serializationIndex.value() - 1;
    builder.append("\n");
    builder.append("      if (").append(index).append(" < json.size()) {\n");
    List<Type> expandedTypes = expandType(method.getGenericReturnType());
    builder.append("        JSONValue ").append(fieldNameIn).append(" = json.get(").append(index).append(");\n");
    emitDeserializerImpl(expandedTypes, 0, builder, fieldNameIn, fieldNameOut, baseIndentation);
    builder.append("        dto.").append(getSetterName(fieldName)).append("(").append(fieldNameOut).append(");\n");
    builder.append("      }\n");
}

Example 19 with Type

use of java.lang.reflect.Type in project che by eclipse.

the class DtoImplClientTemplate method emitDeepCopyCollections.

private void emitDeepCopyCollections(List<Type> expandedTypes, int depth, StringBuilder builder, String varIn, String varOut, String i) {
    Type type = expandedTypes.get(depth);
    String childVarIn = varIn + "_";
    String childVarOut = varOut + "_";
    String entryVar = "entry" + depth;
    Class<?> rawClass = getRawClass(type);
    Class<?> childRawType = getRawClass(expandedTypes.get(depth + 1));
    final String childTypeName = getImplName(expandedTypes.get(depth + 1), false);
    if (isList(rawClass)) {
        builder.append(i).append("  for (").append(childTypeName).append(" ").append(childVarIn).append(" : ").append(varIn).append(") {\n");
    } else if (isMap(rawClass)) {
        builder.append(i).append("  for (java.util.Map.Entry<String, ").append(childTypeName).append("> ").append(entryVar).append(" : ").append(varIn).append(".entrySet()) {\n");
        builder.append(i).append("    ").append(childTypeName).append(" ").append(childVarIn).append(" = ").append(entryVar).append(".getValue();\n");
    }
    if (isList(childRawType) || isMap(childRawType)) {
        builder.append(i).append("    if (").append(childVarIn).append(" != null) {\n");
        builder.append(i).append("      ").append(childTypeName).append(" ").append(childVarOut).append(" = new ").append(getImplName(expandedTypes.get(depth + 1), true)).append("();\n");
        emitDeepCopyCollections(expandedTypes, depth + 1, builder, childVarIn, childVarOut, i + "    ");
        builder.append(i).append("      ").append(varOut);
        if (isList(rawClass)) {
            builder.append(".add(");
        } else {
            builder.append(".put(").append(entryVar).append(".getKey(), ");
        }
        builder.append(childVarOut);
        builder.append(");\n");
        builder.append(i).append("    ").append("}\n");
    } else {
        builder.append(i).append("      ").append(varOut);
        if (isList(rawClass)) {
            builder.append(".add(");
        } else {
            builder.append(".put(").append(entryVar).append(".getKey(), ");
        }
        if (getEnclosingTemplate().isDtoInterface(childRawType)) {
            emitCheckNullAndCopyDto(childRawType, childVarIn, builder);
        } else {
            builder.append(childVarIn);
        }
        builder.append(");\n");
    }
    builder.append(i).append("  }\n");
}

Example 20 with Type

use of java.lang.reflect.Type in project che by eclipse.

the class DtoImplClientTemplate method emitSerializerImpl.

/**
     * Produces code to serialize the type with the given variable names.
     *
     * @param expandedTypes
     *         the type and its generic (and its generic (..)) expanded into a list, @see {@link #expandType(java.lang.reflect.Type)}
     * @param depth
     *         the depth (in the generics) for this recursive call. This can be used to index into {@code expandedTypes}
     * @param builder
     *         StringBuilder to add generated code for serialization
     * @param inVar
     *         the java type that will be the input for serialization
     * @param outVar
     *         the JsonElement subtype that will be the output for serialization
     * @param i
     *         indentation string
     */
private void emitSerializerImpl(List<Type> expandedTypes, int depth, StringBuilder builder, String inVar, String outVar, String i) {
    Type type = expandedTypes.get(depth);
    String childInVar = inVar + "_";
    String childOutVar = outVar + "_";
    String entryVar = "entry" + depth;
    Class<?> rawClass = getRawClass(type);
    if (isList(rawClass)) {
        String childInTypeName = getImplName(expandedTypes.get(depth + 1), false);
        builder.append(i).append("JSONArray ").append(outVar).append(" = new JSONArray();\n");
        if (depth == 0) {
            builder.append(i).append("this.").append(getEnsureName(inVar)).append("();\n");
        }
        builder.append(i).append("for (").append(childInTypeName).append(" ").append(childInVar).append(" : ").append(depth == 0 ? "this." + inVar : inVar).append(") {\n");
    } else if (isMap(rawClass)) {
        String childInTypeName = getImplName(expandedTypes.get(depth + 1), false);
        builder.append(i).append("JSONObject ").append(outVar).append(" = new JSONObject();\n");
        if (depth == 0) {
            builder.append(i).append("this.").append(getEnsureName(inVar)).append("();\n");
        }
        builder.append(i).append("for (java.util.Map.Entry<String, ").append(childInTypeName).append("> ").append(entryVar).append(" : ").append(depth == 0 ? "this." + inVar : inVar).append(".entrySet()) {\n");
        builder.append(i).append("  ").append(childInTypeName).append(" ").append(childInVar).append(" = ").append(entryVar).append(".getValue();\n");
    } else if (rawClass.isEnum()) {
        builder.append(i).append("JSONValue ").append(outVar).append(" = (").append(depth == 0 ? "this." + inVar : inVar).append(" == null) ? JSONNull.getInstance() : new JSONString(").append(depth == 0 ? "this." + inVar : inVar).append(".name());\n");
    } else if (getEnclosingTemplate().isDtoInterface(rawClass)) {
        builder.append(i).append("JSONValue ").append(outVar).append(" = ").append(depth == 0 ? "this." + inVar : inVar).append(" == null ? JSONNull.getInstance() : ((").append(getImplNameForDto((Class<?>) expandedTypes.get(depth))).append(")").append(inVar).append(").toJsonObject();\n");
    } else if (rawClass.equals(String.class)) {
        builder.append(i).append("JSONValue ").append(outVar).append(" = (").append(depth == 0 ? "this." + inVar : inVar).append(" == null) ? JSONNull.getInstance() : new JSONString(").append(depth == 0 ? "this." + inVar : inVar).append(");\n");
    } else if (isNumber(rawClass)) {
        if (rawClass.isPrimitive()) {
            builder.append(i).append("JSONValue ").append(outVar).append(" = new JSONNumber(").append(depth == 0 ? "this." + inVar : inVar).append(");\n");
        } else {
            builder.append(i).append("JSONValue ").append(outVar).append(" = ").append(depth == 0 ? " this." + inVar : inVar).append(" == null ? JSONNull.getInstance() : new JSONNumber(").append(depth == 0 ? "this." + inVar : inVar).append(");\n");
        }
    } else if (isBoolean(rawClass)) {
        if (rawClass.isPrimitive()) {
            builder.append(i).append("JSONValue ").append(outVar).append(" = JSONBoolean.getInstance(").append(depth == 0 ? "this." + inVar : inVar).append(");\n");
        } else {
            builder.append(i).append("JSONValue ").append(outVar).append(" = ").append(depth == 0 ? " this." + inVar : inVar).append(" == null ? JSONNull.getInstance() : JSONBoolean.getInstance(").append(depth == 0 ? "this." + inVar : inVar).append(");\n");
        }
    } else if (isAny(rawClass)) {
        // TODO a better method to clone instances of 
        // outVar = inVar == null ? JsonNull.INSTNACE : (copyJsons ? new JsonParser().parse(inVar) : inVar);
        builder.append(i).append("JSONValue ").append(outVar).append(" = ").append(depth == 0 ? " this." + inVar : inVar).append(" == null ? JSONNull.getInstance() : (");
        appendCopyJsonExpression(inVar, builder).append(");\n");
    } else {
        final Class<?> dtoImplementation = getEnclosingTemplate().getDtoImplementation(rawClass);
        if (dtoImplementation != null) {
            builder.append(i).append("JSONValue ").append(outVar).append(" = ").append(depth == 0 ? "this." + inVar : inVar).append(" == null ? JSONNull.getInstance() : ((").append(dtoImplementation.getCanonicalName()).append(")").append(depth == 0 ? "this." + inVar : inVar).append(").toJsonObject();\n");
        } else {
            throw new IllegalArgumentException("Unable to generate client implementation for DTO interface " + getDtoInterface().getCanonicalName() + ". Type " + rawClass + " is not allowed to use in DTO interface.");
        }
    }
    if (depth + 1 < expandedTypes.size()) {
        emitSerializerImpl(expandedTypes, depth + 1, builder, childInVar, childOutVar, i + "  ");
    }
    if (isList(rawClass)) {
        builder.append(i).append("  ").append(outVar).append(".set(").append(outVar).append(".size(), ").append(childOutVar).append(");\n");
        builder.append(i).append("}\n");
    } else if (isMap(rawClass)) {
        builder.append(i).append("  ").append(outVar).append(".put(").append(entryVar).append(".getKey(), ").append(childOutVar).append(");\n");
        builder.append(i).append("}\n");
    }
}