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Annotation Processor for generating java code using scripts
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/*
 * Copyright (C) 2015 by Sebastian Hasait (sebastian at hasait dot de)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


var GenesisUtils = Java.type('de.hasait.genesis.scriptgen.shaded.genesis.base.util.GenesisUtils');
var StringUtils = Java.type('de.hasait.genesis.scriptgen.shaded.apache.commons.lang3.StringUtils');
var IOUtils = Java.type('de.hasait.genesis.scriptgen.shaded.apache.commons.io.IOUtils');

function generate(scriptEnv) {
    var generatorEnv = scriptEnv.generatorEnv;
    var typeElement = generatorEnv.annotatedElement;
    var packageElement = typeElement.getEnclosingElement();
    var srcW = generatorEnv.createRelativeJavaSrcFile("_MD");

    srcW.println("// Generated by " + scriptEnv.scriptFileURL);
    srcW.println("// Generated at " + new Date());
    srcW.println("package " + packageElement.getQualifiedName() + ";");
    srcW.println();
    srcW.println("/** MetaData for " + typeElement.getQualifiedName() + " */");
    srcW.println("public class " + typeElement.getSimpleName() + "_MD {");

    srcW.println();
    srcW.println("\tpublic static final String SOURCE__NAME = \"" + typeElement.getQualifiedName() + "\";");

    var processedPropertyNames = new java.util.HashSet();

    for each (var subElement in typeElement.getEnclosedElements()) {
        var propertyName = GenesisUtils.determinePropertyNameFromAccessor(subElement);
        if (propertyName != null && !processedPropertyNames.contains(propertyName)) {
            processedPropertyNames.add(propertyName);
            var propertyNameUU = GenesisUtils.camelCaseToUpperUnderscore(propertyName);

            srcW.println();
            srcW.println("\tpublic static final String PROPERTY__" + propertyNameUU + "__NAME = \"" + propertyName + "\";");
        }
    }

    srcW.println();
    srcW.println("}");

    srcW.close();
}