Source Code Cross Referenced for RichtexteditorGetFoldersAndFilesResult.java in  » J2EE » webwork-2.2.6 » com » opensymphony » webwork » views » jsp » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

001:        /*
002:         * Copyright (c) 2002-2003 by OpenSymphony
003:         * All rights reserved.
004:         */
005:        package com.opensymphony.webwork.views.jsp.ui;
006:
007:        import java.io.OutputStream;
008:
009:        import javax.servlet.http.HttpServletResponse;
010:
011:        import org.apache.commons.logging.Log;
012:        import org.apache.commons.logging.LogFactory;
013:        import org.w3c.dom.Document;
014:        import org.w3c.dom.Element;
015:
016:        import com.opensymphony.webwork.ServletActionContext;
017:        import com.opensymphony.webwork.components.AbstractRichtexteditorConnector.File;
018:        import com.opensymphony.webwork.components.AbstractRichtexteditorConnector.Folder;
019:        import com.opensymphony.webwork.components.AbstractRichtexteditorConnector.FoldersAndFiles;
020:        import com.opensymphony.xwork.ActionInvocation;
021:
022:        /**
023:         * <!-- START SNIPPET: javadoc -->
024:         * 
025:         * WebWork's result, creating the appropriate result (in xml form) and write to 
026:         * the response stream corresponding to the Rich Text Editor's 'GetFoldersAndFiles' 
027:         * command
028:         * 
029:         * <p/>
030:         * 
031:         * An example of the response would be as follows:
032:         * 
033:         * <pre>
034:         * &lt;?xml version="1.0" encoding="utf-8" ?&gt;
035:         * &lt;Connector command="GetFoldersAndFiles" resourceType="File"&gt;
036:         *   &lt;CurrentFolder path="/Samples/Docs/" url="/UserFiles/File/Samples/Docs/" /&gt;
037:         *   &lt;Folders&gt;
038:         *     &lt;Folder name="Documents" /&gt;
039:         *     &lt;Folder name="Files" /&gt;
040:         *     &lt;Folder name="Other Files" /&gt;
041:         *     &lt;Folder name="Related" /&gt;
042:         *   &lt;/Folders&gt;
043:         *   &lt;Files&gt;
044:         *     &lt;File name="XML Definition.doc" size="14" /&gt;
045:         *     &lt;File name="Samples.txt" size="5" /&gt;
046:         *     &lt;File name="Definition.txt" size="125" /&gt;
047:         *     &lt;File name="External Resources.drw" size="840" /&gt;
048:         *     &lt;File name="Todo.txt" size="2" /&gt;
049:         *   &lt;/Files&gt;
050:         * &lt;/Connector&gt;
051:         * </pre>
052:         * 
053:         * <!-- END SNIPPET: javadoc -->
054:         * 
055:         * @author tm_jee
056:         * @version $Date: 2006-02-20 16:24:38 +0100 (Mon, 20 Feb 2006) $ $Id: RichtexteditorGetFoldersAndFilesResult.java 2245 2006-02-20 15:24:38Z tmjee $
057:         */
058:        public class RichtexteditorGetFoldersAndFilesResult extends
059:                AbstractRichtexteditorResult {
060:
061:            private static final Log _log = LogFactory
062:                    .getLog(RichtexteditorGetFoldersAndFilesResult.class);
063:
064:            private static final long serialVersionUID = -8405656868125936172L;
065:
066:            /**
067:             * <!-- START SNIPPET: execute -->
068:             * 
069:             * Write the result (in xml form) to the response stream corresponding to 
070:             * the Rich Text Editor's 'GetFoldersAndFiles' command.
071:             * 
072:             * <!-- END SNIPPET: execute -->
073:             * 
074:             * @param invocation
075:             */
076:            public void execute(ActionInvocation invocation) throws Exception {
077:
078:                HttpServletResponse response = ServletActionContext
079:                        .getResponse();
080:                response.setContentType("text/xml; charset=UTF-8");
081:                response.setHeader("Cache-Control", "no-cache");
082:
083:                OutputStream os = response.getOutputStream();
084:
085:                Document document = buildDocument();
086:                Element root = buildCommonResponseXml(document,
087:                        getCommand(invocation), getType(invocation),
088:                        getFolderPath(invocation), getServerPath(invocation));
089:
090:                FoldersAndFiles foldersAndFiles = richtexteditorFoldersAndFiles(invocation);
091:
092:                Folder[] folders = foldersAndFiles.getFolders();
093:                File[] files = foldersAndFiles.getFiles();
094:
095:                Element foldersElement = document.createElement("Folders");
096:                if (folders != null) {
097:                    for (int a = 0; a < folders.length; a++) {
098:                        Element folderElement = document
099:                                .createElement("Folder");
100:                        folderElement.setAttribute("name", folders[a]
101:                                .getFoldername());
102:                        foldersElement.appendChild(folderElement);
103:                    }
104:                }
105:                root.appendChild(foldersElement);
106:
107:                Element filesElement = document.createElement("Files");
108:                if (files != null) {
109:                    for (int a = 0; a < files.length; a++) {
110:                        Element fileElement = document.createElement("File");
111:                        fileElement
112:                                .setAttribute("name", files[a].getFilename());
113:                        fileElement.setAttribute("size", String
114:                                .valueOf(files[a].getSizeInKb()));
115:                        filesElement.appendChild(fileElement);
116:                    }
117:                }
118:                root.appendChild(filesElement);
119:
120:                if (_log.isDebugEnabled()) {
121:                    String result = stringFromDocument(document);
122:                    _log.debug(result);
123:                }
124:
125:                writeDocumentToStream(document, os);
126:                os.flush();
127:                os.close();
128:            }
129:        }