filecontentbean.java

来自「web版的SVN客户端」· Java 代码 · 共 157 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.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.polarion.svnwebclient.SVNWebClientException;
import org.polarion.svnwebclient.configuration.ConfigurationProvider;
import org.polarion.svnwebclient.data.IDataProvider;
import org.polarion.svnwebclient.data.model.DataFileElement;
import org.polarion.svnwebclient.decorations.BaseViewProvider;
import org.polarion.svnwebclient.decorations.IAlternativeViewProvider;
import org.polarion.svnwebclient.util.UrlGenerator;
import org.polarion.svnwebclient.util.UrlGeneratorFactory;
import org.polarion.svnwebclient.util.UrlUtil;
import org.polarion.svnwebclient.web.controller.AbstractBean;
import org.polarion.svnwebclient.web.model.Button;
import org.polarion.svnwebclient.web.model.Navigation;
import org.polarion.svnwebclient.web.model.data.file.FileContent;
import org.polarion.svnwebclient.web.resource.Images;
import org.polarion.svnwebclient.web.resource.Links;
import org.polarion.svnwebclient.web.support.AbstractRequestHandler;
import org.polarion.svnwebclient.web.support.RequestException;
import org.polarion.svnwebclient.web.support.RequestHandler;
import org.polarion.svnwebclient.web.support.RequestParameters;

/**
 * 
 * @author <A HREF="mailto:[e-mail]">Polarion Software </A>
 */
public class FileContentBean extends AbstractBean {
    public static final String FILE_CONTENT = "filecontent";
    
    protected long headRevision;
    protected long revision;
    protected long line;
    protected String url;
    protected DataFileElement fileElement;
    
    public FileContentBean() {
    }
    
    protected boolean executeSVNOperation(IDataProvider dataProvider) throws SVNWebClientException {
        this.headRevision = dataProvider.getHeadRevision();
        this.revision = this.headRevision;
        if (this.requestHandler.getCurrentRevision() != -1) {
            this.revision = this.requestHandler.getCurrentRevision();
        }
        this.line = this.requestHandler.getLine();
        this.url = this.requestHandler.getUrl();
        if (this.requestHandler.getPegRevision() != -1) {
            this.url = dataProvider.getLocation(this.requestHandler.getUrl(), this.requestHandler.getPegRevision(), this.revision);
        }
        this.fileElement = (DataFileElement) dataProvider.getInfo(this.url, this.revision);
        return true;
    }

    protected AbstractRequestHandler getRequestHandler(HttpServletRequest request) {
        return new RequestHandler(request) {
            public void check() throws RequestException {
                this.checkNotNullOrEmpty(RequestParameters.URL);
            }
        };
    }

    public FileContent getFileContent() {
        return new FileContent(this.fileElement, this.requestHandler, this.headRevision, this.url);        
    }
    
    public Map getViews() {
        Map ret = new HashMap();
        
        BaseViewProvider baseViewProvider = new BaseViewProvider(this.requestHandler.getLocation());
        String[] baseViews = baseViewProvider.getAvailableAlternativeViews(this.url, this.revision);
        if (baseViews != null) {
            for (int i = 0; i < baseViews.length; i++) {
                ret.put(baseViews[i], baseViewProvider.getAlternativeViewContentUrl(this.url, this.revision, line, baseViews[i]));
            }
        }
        
        IAlternativeViewProvider alternativeViewProvider = ConfigurationProvider.getInstance().getAlternativeViewProvider();
        String[] alternativeViews = alternativeViewProvider.getAvailableAlternativeViews(this.url, this.revision);
        if (alternativeViews != null) {
            for (int i = 0; i < alternativeViews.length; i++) {
                ret.put(alternativeViews[i], alternativeViewProvider.getAlternativeViewContentUrl(this.url, this.revision, line, alternativeViews[i]));
            }            
        }
        
        return ret;
    }
    
    public String getSelectedView() {
        String ret = this.requestHandler.getView();
        if (ret == null) {
            ret = BaseViewProvider.CONTENT;
        }
        return ret;
    }
    
    public String getSelectedViewUrl() {
        return (String) this.getViews().get(this.getSelectedView());
    }
    
    public Navigation getNavigation() {
        return new Navigation(this.url, this.requestHandler.getLocation(),this.requestHandler.getCurrentRevision(), true);
    }

    public List getActions() {
        List ret = new ArrayList();
        UrlGenerator urlGenerator;
        
        urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.REVISION_LIST, this.requestHandler.getLocation());
        urlGenerator.addParameter(RequestParameters.URL, UrlUtil.encode(this.url));
        if (this.requestHandler.getCurrentRevision() != -1) {
            urlGenerator.addParameter(RequestParameters.CREV, Long.toString(this.requestHandler.getCurrentRevision()));
        }                        
        ret.add(new Button(urlGenerator.getUrl(), Images.REVISION_LIST, "Revision list"));

        if (this.requestHandler.getCurrentRevision() == -1) {
            urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.FILE_UPDATE, this.requestHandler.getLocation());
            urlGenerator.addParameter(RequestParameters.URL, UrlUtil.encode(this.url));            
            ret.add(new Button(urlGenerator.getUrl(), Images.UPDATE, "Commit"));
        }
        
        urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.FILE_DOWNLOAD, this.requestHandler.getLocation());
        urlGenerator.addParameter(RequestParameters.URL, UrlUtil.encode(this.url));
        if (this.requestHandler.getCurrentRevision() != -1) {
            urlGenerator.addParameter(RequestParameters.CREV, Long.toString(this.requestHandler.getCurrentRevision()));
        }            
        urlGenerator.addParameter(RequestParameters.ATTACHMENT, RequestParameters.VALUE_TRUE);
        ret.add(new Button(urlGenerator.getUrl(), Images.DOWNLOAD, "Download"));
        
        return ret;
    }
}