cn.teamlab.wg.framework.struts2.breadcrumb.Utils.java Source code

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Here is the source code for cn.teamlab.wg.framework.struts2.breadcrumb.Utils.java

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/*
 *  Copyright 2011 - Giovanni Tosto
 *
 *  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.
 */
package cn.teamlab.wg.framework.struts2.breadcrumb;

import java.lang.reflect.Method;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * 
 * @author Giovanni Tosto
 * @version $Id: Utils.java 56 2011-03-06 22:28:32Z giovanni.tosto $
 */
public class Utils {
    static final Log LOG = LogFactory.getLog(Utils.class);

    /**
     * Find a method with no arguments with the name <var>name</var>.
     * 
     * It is just a wrapper of the <code>class.getMethod()</code>.
     * 
     * @param clazz the class from which are searching.
     * @param name the method name we are looking for.
     * @return the method or
     *         <code>null</null> if such a method cannot be found.
     * 
     */
    public static Method findMethod(Class<?> clazz, String name) {

        try {
            return clazz.getMethod(name, (Class[]) null);
        } catch (SecurityException e) {
            return null;
        } catch (NoSuchMethodException e) {
            return null;
        }
    }

    @SuppressWarnings("rawtypes")
    public static boolean compareParametersMap(Map m1, Map m2) {
        if (m1.size() != m2.size())
            return false;

        for (Object key : m1.keySet()) {
            String[] v1 = (String[]) m1.get(key);
            String[] v2 = (String[]) m2.get(key);

            if (v1.length != v2.length)
                return false;
            // XXX should values be sorted first ?
            // FIXME take care of null values ?
            for (int i = 0; i < v2.length; i++) {
                if (!v1[i].equals(v2[i]))
                    return false;
            }
        }
        return true;
    }

}