org.seasar.cadhelin.ControllerMetadata.java Source code

Introduction

Here is the source code for org.seasar.cadhelin.ControllerMetadata.java

Source

/*
 * Copyright 2004-2006 the Seasar Foundation and the Others.
 *
 * 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 org.seasar.cadhelin;

import java.beans.XMLEncoder;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.seasar.framework.container.ComponentDef;

public class ControllerMetadata {
    Log log = LogFactory.getLog(this.getClass());
    private Class controllerClass;
    private String name;
    private Map<String, ActionMetadata[]> actions = new HashMap<String, ActionMetadata[]>();
    private Map<String, ActionMetadata> actionByMethodName = new HashMap<String, ActionMetadata>();
    private String defaultActionName = null;

    public ControllerMetadata(String name, ComponentDef componentDef) {
        this.controllerClass = componentDef.getComponentClass();
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public Collection<ActionMetadata[]> getActionMetadata() {
        return actions.values();
    }

    public int getPostActionCount() {
        return getActionCount(HttpMethod.POST);
    }

    public int getGetActionCount() {
        return getActionCount(HttpMethod.GET);
    }

    private int getActionCount(HttpMethod method) {
        int count = 0;
        Collection<ActionMetadata> actions = actionByMethodName.values();
        for (ActionMetadata metadata : actions) {
            //         if(method.equals(metadata.getHttpMethod())){
            //            count++;
            //         }
        }
        return count;
    }

    public ActionMetadata getAction(String methodName) {
        return actionByMethodName.get(methodName);
    }

    public void addActionMetadata(String name, ActionMetadata metadata) {
        ActionMetadata[] metadatas = actions.get(name);
        if (metadatas == null) {
            actions.put(name, new ActionMetadata[] { metadata });
        } else {
            ActionMetadata[] am = new ActionMetadata[metadatas.length + 1];
            System.arraycopy(metadatas, 0, am, 0, metadatas.length);
            am[metadatas.length] = metadata;
            actions.put(name, am);
        }
        actionByMethodName.put(metadata.getMethod().getName(), metadata);
    }

    public void setDefaultActionName(String defaultActionName) {
        this.defaultActionName = defaultActionName;
    }

    public Class getControllerClass() {
        return controllerClass;
    }

    public void saveConverterSettings(OutputStream os) {
        XMLEncoder encoder = new XMLEncoder(os);
        encoder.writeObject(getConverters());
        encoder.close();
    }

    public Map<String, Converter[]> getConverters() {
        Map<String, Converter[]> map = new HashMap<String, Converter[]>();
        Collection<ActionMetadata[]> am = actions.values();
        for (ActionMetadata[] metadatas : am) {
            for (ActionMetadata metadata : metadatas) {
                map.put(metadata.getMethod().getName(), metadata.getConverters());
            }
        }
        return map;
    }

    public Map<String, ConverterMetadata[]> getConverterMetadata() {
        Map<String, ConverterMetadata[]> map = new HashMap<String, ConverterMetadata[]>();
        Collection<ActionMetadata[]> am = actions.values();
        for (ActionMetadata[] metadatas : am) {
            for (ActionMetadata metadata : metadatas) {
                map.put(metadata.getMethod().getName(), metadata.getConverterMetadata());
            }
        }
        return map;
    }

    public ActionMetadata getAction(Method method) {
        return actionByMethodName.get(method.getName());
    }

    public ActionMetadata getAction(String actionName, String httpMethodName) {
        ActionMetadata[] metadata = actions.get(actionName);
        if (metadata == null || metadata.length == 0) {
            return null;
        }
        for (ActionMetadata metadatum : metadata) {
            if (metadatum.getHttpMethod().name().equals(httpMethodName) && metadatum.getDispatch() == null) {
                return metadatum;
            }
        }
        return null;
    }
}