--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.slc.client.ui.specific;
+
+import java.awt.Desktop;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.repo.RepoService;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+
+/**
+ * RCP specific command handler to open a file retrieved from a local or distant
+ * JCR Repository.
+ */
+public class OpenJcrFile extends AbstractHandler {
+ // private final static Log log = LogFactory.getLog(OpenJcrFile.class);
+
+ // Here is the trick that enable single sourcing: the ID is determined at
+ // runtime so use (new OpenJcrFileCmdId()).getCmdId() instead of the usual
+ // public final String ID = SlcRcpPlugin.PLUGIN_ID + ".openJcrFile";
+
+ public final static String PARAM_REPO_NODE_PATH = "param.repoNodePath";
+ public final static String PARAM_REPO_URI = "param.repoUri";
+ public final static String PARAM_WORKSPACE_NAME = "param.workspaceName";
+ public final static String PARAM_FILE_PATH = "param.filePath";
+
+ /* DEPENDENCY INJECTION */
+ private RepoService repoService;
+
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+
+ String repoNodePath = event.getParameter(PARAM_REPO_NODE_PATH);
+ String repoUri = event.getParameter(PARAM_REPO_URI);
+ String wkspName = event.getParameter(PARAM_WORKSPACE_NAME);
+ String filePath = event.getParameter(PARAM_FILE_PATH);
+
+ // TODO sanity check
+ if (filePath == null || "".equals(filePath.trim()))
+ return null;
+ retrieveAndOpen(repoNodePath, repoUri, wkspName, filePath);
+
+ return null;
+ }
+
+ protected void retrieveAndOpen(String repoNodePath, String repoUri,
+ String wkspName, String filePath) {
+ Session businessSession = null;
+ try {
+ businessSession = repoService.getRemoteSession(repoNodePath,
+ repoUri, wkspName);
+ Node result = businessSession.getNode(filePath);
+
+ boolean isValid = true;
+ Node child = null;
+ if (!result.isNodeType(NodeType.NT_FILE))
+ isValid = false;
+ else {
+ child = result.getNode(Property.JCR_CONTENT);
+ if (!(child.isNodeType(NodeType.NT_RESOURCE) || child
+ .hasProperty(Property.JCR_DATA)))
+ isValid = false;
+ }
+
+ if (!isValid)
+ return;
+
+ InputStream fis = null;
+ String prefix = "", extension = "";
+ String fileName = JcrUtils.lastPathElement(filePath);
+ int ind = fileName.lastIndexOf('.');
+ if (ind > 0) {
+ prefix = fileName.substring(0, ind);
+ extension = fileName.substring(ind);
+ }
+ try {
+
+ fis = (InputStream) child.getProperty(Property.JCR_DATA)
+ .getBinary().getStream();
+ File file = createTmpFile(prefix, extension, fis);
+ Desktop desktop = null;
+ if (Desktop.isDesktopSupported()) {
+ desktop = Desktop.getDesktop();
+ }
+ desktop.open(file);
+ } catch (Exception e) {
+ throw new SlcException(
+ "Stream error while opening file " + filePath
+ + " from repo " + repoUri == null ? repoNodePath
+ : repoUri, e);
+ } finally {
+ IOUtils.closeQuietly(fis);
+ }
+ } catch (RepositoryException e) {
+ throw new SlcException("Unexpected error while "
+ + "getting repoNode info for repoNode at path "
+ + repoNodePath, e);
+ } finally {
+ JcrUtils.logoutQuietly(businessSession);
+ }
+ }
+
+ private File createTmpFile(String prefix, String suffix, InputStream is) {
+ File tmpFile = null;
+ OutputStream os = null;
+ try {
+ tmpFile = File.createTempFile(prefix, suffix);
+ os = new FileOutputStream(tmpFile);
+ IOUtils.copy(is, os);
+ } catch (IOException e) {
+ throw new SlcException("Cannot open file " + prefix + "." + suffix,
+ e);
+ } finally {
+ IOUtils.closeQuietly(os);
+ }
+ return tmpFile;
+ }
+
+ /* DEPENDENCY INJECTION */
+ public void setRepoService(RepoService repoService) {
+ this.repoService = repoService;
+ }
+}
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projects / gpl / argeo-slc.git / blobdiff