filecomparedatabean.java

来自「web版的SVN客户端」· Java 代码 · 共 89 行

/*
 * Copyright (c) 2004, 2005 Polarion Software, All rights reserved.
 * Email: [e-mail]
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 (the "License"). You may not use
 * this file except in compliance with the License. Copy of the License is
 * located in the file LICENSE.txt in the project distribution. You may also
 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 *
 * POLARION SOFTWARE MAKES NO REPRESENTATIONS OR WARRANTIES
 * ABOUT THE SUITABILITY OF THE SOFTWARE, EITHER EXPRESSED OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. POLARION SOFTWARE
 * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT
 * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
package org.polarion.svnwebclient.web.controller.file;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.polarion.svnwebclient.SVNWebClientException;
import org.polarion.svnwebclient.data.IDataProvider;
import org.polarion.svnwebclient.web.controller.AbstractBean;
import org.polarion.svnwebclient.web.model.Navigation;
import org.polarion.svnwebclient.web.model.data.file.FileCompareResult;
import org.polarion.svnwebclient.web.support.AbstractRequestHandler;
import org.polarion.svnwebclient.web.support.RequestHandler;

/**
 * 
 * @author <A HREF="mailto:[e-mail]">Polarion Software </A>
 */
public class FileCompareDataBean extends AbstractBean {
    protected List data;
    protected boolean binary = false;
    
    public FileCompareDataBean() {
    }
    
    protected boolean executeSVNOperation(IDataProvider dataProvider) throws SVNWebClientException {
        if (this.requestHandler.getStartRevision() != -1) {
            this.data = (List) this.state.getRequest().getSession().getAttribute(FileCompareBean.START_REVISION_CONTENT);
            this.state.getRequest().getSession().removeAttribute(FileCompareBean.START_REVISION_CONTENT);
            if (this.state.getRequest().getSession().getAttribute(FileCompareBean.START_REVISION_BINARY) != null) {
                this.binary = true;
                this.state.getRequest().getSession().removeAttribute(FileCompareBean.START_REVISION_BINARY);
            }            
        } 
        if (this.requestHandler.getEndRevision() != -1) {
            this.data = (List) this.state.getRequest().getSession().getAttribute(FileCompareBean.END_REVISION_CONTENT);
            this.state.getRequest().getSession().removeAttribute(FileCompareBean.END_REVISION_CONTENT);
            if (this.state.getRequest().getSession().getAttribute(FileCompareBean.END_REVISION_BINARY) != null) {
                this.binary = true;
                this.state.getRequest().getSession().removeAttribute(FileCompareBean.END_REVISION_BINARY);
            }                        
        }
        return true;
    }

    public boolean isBinary() {
        return this.binary;
    }
    
    public FileCompareResult getResult() {
        if (this.data == null) {
            return null;
        }
        return new FileCompareResult(this.data);
    }
    
    protected AbstractRequestHandler getRequestHandler(HttpServletRequest request) {
        return new RequestHandler(request);
    }

    public Navigation getNavigation() {
        return null;
    }

    public List getActions() {
        List ret = new ArrayList();
        return ret;
    }
}