org.apache.openmeetings.utils.mappings.StructureMethodList.java Source code

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Here is the source code for org.apache.openmeetings.utils.mappings.StructureMethodList.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.openmeetings.utils.mappings;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.LinkedHashMap;

import org.apache.commons.lang.StringUtils;
import org.apache.openmeetings.OpenmeetingsVariables;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;

public class StructureMethodList {

    private static final Logger log = Red5LoggerFactory.getLogger(StructureMethodList.class,
            OpenmeetingsVariables.webAppRootKey);

    private StructureMethodList() {
    }

    private static StructureMethodList instance = null;

    public static synchronized StructureMethodList getInstance() {
        if (instance == null) {
            instance = new StructureMethodList();
        }
        return instance;
    }

    /*
     * 
     */

    public LinkedHashMap<String, LinkedHashMap<String, Object>> parseClassToMethodList(Class<?> targetClass) {
        try {
            LinkedHashMap<String, LinkedHashMap<String, Object>> returnMap = new LinkedHashMap<String, LinkedHashMap<String, Object>>();

            for (Field field : targetClass.getDeclaredFields()) {
                String fieldName = field.getName();
                String capitalizedFieldName = StringUtils.capitalize(fieldName);
                String setterPre = "set";

                for (Method method : targetClass.getMethods()) {
                    // check that method is declared in current class. 
                    if (method.getName().equals(setterPre + capitalizedFieldName)) {
                        String methodName = method.getName();

                        Class<?>[] paramTypes = method.getParameterTypes();
                        //log.error("parseClassToMethodList methodName: "+methodName);
                        if (methodName.startsWith("set")) {
                            //Found setter get Attribute name
                            if (returnMap.get(fieldName) != null) {
                                LinkedHashMap<String, Object> methodListMap = returnMap.get(fieldName);
                                methodListMap.put("setter", methodName);
                                methodListMap.put("setterParamTypes", paramTypes);
                            } else {
                                LinkedHashMap<String, Object> methodListMap = new LinkedHashMap<String, Object>();
                                methodListMap.put("setter", methodName);
                                returnMap.put(fieldName, methodListMap);
                                methodListMap.put("setterParamTypes", paramTypes);
                            }
                        } else if (methodName.startsWith("is")) {
                            //Found setter(boolean) get Attribute name
                            if (returnMap.get(fieldName) != null) {
                                LinkedHashMap<String, Object> methodListMap = returnMap.get(fieldName);
                                methodListMap.put("getter", methodName);
                            } else {
                                LinkedHashMap<String, Object> methodListMap = new LinkedHashMap<String, Object>();
                                methodListMap.put("getter", methodName);
                                returnMap.put(fieldName, methodListMap);
                            }
                        } else if (methodName.startsWith("get")) {
                            //Found setter(boolean) get Attribute name
                            if (returnMap.get(fieldName) != null) {
                                LinkedHashMap<String, Object> methodListMap = returnMap.get(fieldName);
                                methodListMap.put("getter", methodName);
                            } else {
                                LinkedHashMap<String, Object> methodListMap = new LinkedHashMap<String, Object>();
                                methodListMap.put("getter", methodName);
                                returnMap.put(fieldName, methodListMap);
                            }
                        }
                        break;
                    }
                }

            }

            return returnMap;
        } catch (Exception ex) {
            log.error("[parseClassToMethodList]", ex);
            return new LinkedHashMap<String, LinkedHashMap<String, Object>>();
        }

    }

}