pathswitchbean.java

来自「web版的SVN客户端」· Java 代码 · 共 175 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;

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

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.DataDirectoryElement;
import org.polarion.svnwebclient.util.UrlGenerator;
import org.polarion.svnwebclient.util.UrlGeneratorFactory;
import org.polarion.svnwebclient.util.UrlUtil;
import org.polarion.svnwebclient.web.model.Link;
import org.polarion.svnwebclient.web.model.Navigation;
import org.polarion.svnwebclient.web.model.PathSwitch;
import org.polarion.svnwebclient.web.model.data.PathSwitchContent;
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 PathSwitchBean extends AbstractBean {
    protected long revision;
    protected long headRevision;
    protected DataDirectoryElement directoryElement;
    protected String prefix;
    
    public PathSwitchBean() {
    }
    
    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();
        }
        
        if (PathSwitch.TRUNK.equals(this.requestHandler.getType())) {
            String trunkUrl = this.requestHandler.getUrlPrefix() + "/" + ConfigurationProvider.getInstance().getTrunkName();  
            String url = trunkUrl + "/" + this.requestHandler.getUrlSuffix();
            
            int resourceType = dataProvider.checkUrl(url, this.revision); 
            if (resourceType == IDataProvider.NOT_EXIST) {
                String redirectPage = trunkUrl;
                int resType = dataProvider.checkUrl(trunkUrl, this.revision);                
                if (resType == IDataProvider.NOT_EXIST) {
                    redirectPage = this.requestHandler.getUrlPrefix();
                }                
                UrlGenerator urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.DIRECTORY_CONTENT, this.requestHandler.getLocation());
                urlGenerator.addParameter(RequestParameters.URL, UrlUtil.encode(redirectPage));
                if (this.requestHandler.getCurrentRevision() != -1) {
                    urlGenerator.addParameter(RequestParameters.CREV, Long.toString(this.requestHandler.getCurrentRevision()));
                }
                this.redirect(urlGenerator.getUrl());
                return false;                
            } else {
                UrlGenerator urlGenerator;
                if (resourceType == IDataProvider.DIRECTORY) {
                    urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.DIRECTORY_CONTENT, this.requestHandler.getLocation()); 
                } else {
                    urlGenerator = UrlGeneratorFactory.getUrlGenerator(Links.FILE_CONTENT, this.requestHandler.getLocation());
                }
                urlGenerator.addParameter(RequestParameters.URL, UrlUtil.encode(url));
                if (this.requestHandler.getCurrentRevision() != -1) {
                    urlGenerator.addParameter(RequestParameters.CREV, Long.toString(this.requestHandler.getCurrentRevision()));
                }
                this.redirect(urlGenerator.getUrl());
                return false;
            }
        } else {
            this.prefix = this.requestHandler.getUrlPrefix() + "/";
            if (PathSwitch.BRANCHES.equals(this.requestHandler.getType())) {
                this.prefix += ConfigurationProvider.getInstance().getBranchesName();
            } else if (PathSwitch.TAGS.equals(this.requestHandler.getType())) {
                this.prefix += ConfigurationProvider.getInstance().getTagsName();
            }
            
            int resourceType = dataProvider.checkUrl(this.prefix, this.revision);
            if (resourceType == IDataProvider.NOT_EXIST) {
                this.directoryElement = null;
            } else {
                this.directoryElement = dataProvider.getDirectory(this.prefix, this.revision);                
            }
        }
        
        return true;
    }

    protected void redirect(String url) throws SVNWebClientException {
        try {
            this.state.getResponse().sendRedirect(url);
        } catch (Exception e) {
            throw new SVNWebClientException(e);
        }
    }
    
    public PathSwitchContent getSwitchContent() {
        if (this.directoryElement == null) {
            return null;
        } else {
            return new PathSwitchContent(this.directoryElement, this.requestHandler, this.prefix, this.requestHandler.getUrlSuffix());
        }
    }
    
    protected AbstractRequestHandler getRequestHandler(HttpServletRequest request) {
        return new RequestHandler(request) {
            public void check() throws RequestException {
                this.checkNotNull(RequestParameters.PREFIX);
                this.checkNotNull(RequestParameters.SUFFIX);
                this.checkNotNullOrEmpty(RequestParameters.TYPE);
            }
        };
    }

    public String getName() {
        String ret = null;
        if (PathSwitch.BRANCHES.equals(this.requestHandler.getType())) {
            ret = "branch";
        } else if (PathSwitch.TAGS.equals(this.requestHandler.getType())) {
            ret = "tag";
        }
        return ret;
    }
    
    public String getPluralName() {
        String ret = null;
        if (PathSwitch.BRANCHES.equals(this.requestHandler.getType())) {
            ret = "branches";
        } else if (PathSwitch.TAGS.equals(this.requestHandler.getType())) {
            ret = "tags";
        }
        return ret;        
    }
    
    public Navigation getNavigation() {
        return new Navigation(this.requestHandler.getUrl(), this.requestHandler.getLocation(),this.requestHandler.getCurrentRevision());
    }

    public String getCancelUrl() {
        List navigationPath = this.getNavigation().getPath();
        Link lastElement = (Link) navigationPath.get(navigationPath.size() - 1);
        return lastElement.getUrl();
    }
    
    public List getActions() {
        List ret = new ArrayList();
        return ret;
    }
}