| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.felix.shell.gui.plugin; |
| |
| import java.awt.*; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.io.PrintStream; |
| import java.net.URL; |
| import java.util.*; |
| |
| import javax.swing.*; |
| import javax.swing.event.TreeSelectionEvent; |
| import javax.swing.event.TreeSelectionListener; |
| import javax.swing.tree.*; |
| |
| import org.apache.felix.shell.gui.Plugin; |
| import org.osgi.framework.*; |
| import org.osgi.service.obr.*; |
| |
| public class OBRPlugin extends JPanel implements Plugin |
| { |
| private static final String DEPLOY_BUTTON = "Deploy"; |
| private static final String START_BUTTON = "Deploy & start"; |
| |
| private BundleContext m_context = null; |
| private ServiceReference m_repoRef = null; |
| private RepositoryAdmin m_repoAdmin = null; |
| |
| private SimpleTreeNode m_rootNode = null; |
| private CreateRootRunnable m_createRootRunnable = new CreateRootRunnable(); |
| private SetRootRunnable m_setRootRunnable = new SetRootRunnable(); |
| |
| private JButton m_addRepoButton = null; |
| private JButton m_removeRepoButton = null; |
| private JButton m_refreshRepoButton = null; |
| private JTree m_bundleTree = null; |
| private JButton m_deployButton = null; |
| private JButton m_startButton = null; |
| private JButton m_infoButton = null; |
| private ScrollableOutputArea m_soa = null; |
| private JButton m_clearButton = null; |
| |
| private PrintStream m_out = null; |
| |
| // Plugin interface methods. |
| |
| public String getName() |
| { |
| return "OBR"; |
| } |
| |
| public Component getGUI() |
| { |
| return this; |
| } |
| |
| // Implementation. |
| |
| public OBRPlugin(BundleContext context) |
| { |
| m_context = context; |
| m_out = new PrintStream( |
| new OutputAreaStream( |
| m_soa = new ScrollableOutputArea(5, 30))); |
| |
| // Create the gui. |
| createUserInterface(); |
| |
| synchronized (this) |
| { |
| // Listen for registering/unregistering bundle repository services. |
| ServiceListener sl = new ServiceListener() { |
| public void serviceChanged(ServiceEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| // Ignore additional services if we already have one. |
| if ((event.getType() == ServiceEvent.REGISTERED) |
| && (m_repoRef != null)) |
| { |
| return; |
| } |
| // Initialize the service if we don't have one. |
| else if ((event.getType() == ServiceEvent.REGISTERED) |
| && (m_repoRef == null)) |
| { |
| lookupService(); |
| } |
| // Unget the service if it is unregistering. |
| else if ((event.getType() == ServiceEvent.UNREGISTERING) |
| && event.getServiceReference().equals(m_repoRef)) |
| { |
| m_context.ungetService(m_repoRef); |
| m_repoRef = null; |
| m_repoAdmin = null; |
| // Try to get another service. |
| lookupService(); |
| } |
| } |
| } |
| }; |
| |
| try |
| { |
| m_context.addServiceListener(sl, |
| "(objectClass=" + RepositoryAdmin.class.getName() + ")"); |
| } |
| catch (InvalidSyntaxException ex) |
| { |
| System.err.println("OBRPlugin: " + ex); |
| } |
| |
| // Now try to manually initialize the shell service |
| // since one might already be available. |
| lookupService(); |
| } |
| } |
| |
| private synchronized void lookupService() |
| { |
| if (m_repoAdmin != null) |
| { |
| return; |
| } |
| m_repoRef = m_context.getServiceReference(RepositoryAdmin.class.getName()); |
| if (m_repoRef == null) |
| { |
| } |
| else |
| { |
| m_repoAdmin = (RepositoryAdmin) m_context.getService(m_repoRef); |
| } |
| |
| // Update the model. |
| initializeRootNode(); |
| } |
| |
| private void createEventListeners() |
| { |
| // Create action listeners. |
| m_addRepoButton.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| |
| String s = JOptionPane.showInputDialog( |
| OBRPlugin.this, "Enter repository URL:"); |
| |
| if (s != null) |
| { |
| try |
| { |
| m_repoAdmin.addRepository(new URL(s)); |
| } |
| catch (Exception ex) |
| { |
| ex.printStackTrace(); |
| } |
| } |
| |
| // Update the table. |
| initializeRootNode(); |
| } |
| } |
| }); |
| |
| m_removeRepoButton.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| |
| TreePath[] paths = m_bundleTree.getSelectionPaths(); |
| for (int i = 0; i < paths.length; i++) |
| { |
| SimpleTreeNode node = (SimpleTreeNode) paths[i].getLastPathComponent(); |
| if (node.getObject() instanceof Repository) |
| { |
| m_repoAdmin.removeRepository( |
| ((Repository) |
| ((SimpleTreeNode) |
| paths[i].getLastPathComponent()).getObject()).getURL()); |
| } |
| } |
| |
| // Update the table. |
| initializeRootNode(); |
| } |
| } |
| }); |
| |
| m_refreshRepoButton.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| |
| TreePath[] paths = m_bundleTree.getSelectionPaths(); |
| for (int i = 0; i < paths.length; i++) |
| { |
| SimpleTreeNode node = (SimpleTreeNode) paths[i].getLastPathComponent(); |
| if (node.getObject() instanceof Repository) |
| { |
| try |
| { |
| // Adding the repository again causes it to be reparsed. |
| m_repoAdmin.addRepository( |
| ((Repository) node.getObject()).getURL()); |
| } catch (Exception ex) |
| { |
| ex.printStackTrace(); |
| } |
| } |
| } |
| |
| // Update the table. |
| initializeRootNode(); |
| } |
| } |
| }); |
| |
| ActionListener al = new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| boolean start = event.getActionCommand().equals(START_BUTTON); |
| |
| synchronized (OBRPlugin.this) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| |
| Resolver resolver = m_repoAdmin.resolver(); |
| TreePath[] paths = m_bundleTree.getSelectionPaths(); |
| for (int i = 0; i < paths.length; i++) |
| { |
| SimpleTreeNode node = (SimpleTreeNode) paths[i].getLastPathComponent(); |
| if (node.getObject() instanceof Resource) |
| { |
| resolver.add((Resource) node.getObject()); |
| } |
| } |
| |
| if ((resolver.getAddedResources() != null) && |
| (resolver.getAddedResources().length > 0)) |
| { |
| if (resolver.resolve()) |
| { |
| m_out.println("Target resource(s):"); |
| printUnderline(m_out, 19); |
| Resource[] resources = resolver.getAddedResources(); |
| for (int resIdx = 0; (resources != null) && (resIdx < resources.length); resIdx++) |
| { |
| m_out.println(" " + resources[resIdx].getPresentationName() |
| + " (" + resources[resIdx].getVersion() + ")"); |
| } |
| resources = resolver.getRequiredResources(); |
| if ((resources != null) && (resources.length > 0)) |
| { |
| m_out.println("\nRequired resource(s):"); |
| printUnderline(m_out, 21); |
| for (int resIdx = 0; resIdx < resources.length; resIdx++) |
| { |
| m_out.println(" " + resources[resIdx].getPresentationName() |
| + " (" + resources[resIdx].getVersion() + ")"); |
| } |
| } |
| resources = resolver.getOptionalResources(); |
| if ((resources != null) && (resources.length > 0)) |
| { |
| m_out.println("\nOptional resource(s):"); |
| printUnderline(m_out, 21); |
| for (int resIdx = 0; resIdx < resources.length; resIdx++) |
| { |
| m_out.println(" " + resources[resIdx].getPresentationName() |
| + " (" + resources[resIdx].getVersion() + ")"); |
| } |
| } |
| |
| try |
| { |
| m_out.print("\nDeploying..."); |
| resolver.deploy(start); |
| m_out.println("done."); |
| } |
| catch (IllegalStateException ex) |
| { |
| m_out.println(ex); |
| } |
| } |
| else |
| { |
| Requirement[] reqs = resolver.getUnsatisfiedRequirements(); |
| if ((reqs != null) && (reqs.length > 0)) |
| { |
| m_out.println("Unsatisfied requirement(s):"); |
| printUnderline(m_out, 27); |
| for (int reqIdx = 0; reqIdx < reqs.length; reqIdx++) |
| { |
| m_out.println(" " + reqs[reqIdx].getFilter()); |
| Resource[] resources = resolver.getResources(reqs[reqIdx]); |
| for (int resIdx = 0; resIdx < resources.length; resIdx++) |
| { |
| m_out.println(" " + resources[resIdx].getPresentationName()); |
| } |
| } |
| } |
| else |
| { |
| m_out.println("Could not resolve targets."); |
| } |
| } |
| |
| m_out.println(""); |
| } |
| } |
| } |
| }; |
| |
| m_deployButton.addActionListener(al); |
| m_startButton.addActionListener(al); |
| |
| m_infoButton.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| TreePath[] paths = m_bundleTree.getSelectionPaths(); |
| for (int i = 0; i < paths.length; i++) |
| { |
| if (i != 0) |
| { |
| m_out.println(""); |
| } |
| printInfo(m_out, |
| ((SimpleTreeNode) paths[i].getLastPathComponent()).getObject()); |
| } |
| m_out.println(""); |
| } |
| } |
| }); |
| |
| m_clearButton.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) |
| { |
| synchronized (OBRPlugin.this) |
| { |
| m_soa.setText(""); |
| } |
| } |
| }); |
| |
| m_bundleTree.addTreeSelectionListener(new TreeSelectionListener() { |
| public void valueChanged(TreeSelectionEvent e) |
| { |
| if (m_repoAdmin == null) |
| { |
| return; |
| } |
| TreePath[] paths = m_bundleTree.getSelectionPaths(); |
| boolean repoOnly = true; |
| if (paths != null) |
| { |
| for (int i = 0; repoOnly && (i < paths.length); i++) |
| { |
| SimpleTreeNode node = (SimpleTreeNode) paths[i].getLastPathComponent(); |
| if (!(node.getObject() instanceof Repository)) |
| { |
| repoOnly = false; |
| } |
| } |
| } |
| m_removeRepoButton.setEnabled((paths != null) && repoOnly); |
| m_refreshRepoButton.setEnabled((paths != null) && repoOnly); |
| m_infoButton.setEnabled((paths != null) && (paths.length > 0)); |
| } |
| }); |
| } |
| |
| private void printInfo(PrintStream out, Object obj) |
| { |
| if (obj != null) |
| { |
| if (obj instanceof Repository) |
| { |
| Repository repo = (Repository) obj; |
| out.println(repo.getName()); |
| out.println(" URL = " + repo.getURL()); |
| out.println(" Modified = " + new Date(repo.getLastModified())); |
| } |
| else if (obj instanceof Resource) |
| { |
| Resource res = (Resource) obj; |
| out.println(res.getPresentationName()); |
| |
| // Print properties. |
| Map map = res.getProperties(); |
| Iterator iter = map.entrySet().iterator(); |
| while (iter.hasNext()) |
| { |
| Map.Entry entry = (Map.Entry) iter.next(); |
| out.println(" " + entry.getKey() + " = " + entry.getValue()); |
| } |
| |
| // Print requirements. |
| Requirement[] reqs = res.getRequirements(); |
| for (int i = 0; (reqs != null) && (i < reqs.length); i++) |
| { |
| if (i == 0) |
| { |
| out.println(" requirements:"); |
| } |
| out.println(" " + reqs[i].getFilter()); |
| } |
| |
| // Print capabilities. |
| Capability[] caps = res.getCapabilities(); |
| for (int i = 0; (caps != null) && (i < caps.length); i++) |
| { |
| if (i == 0) |
| { |
| out.println(" capabilities:"); |
| } |
| out.println(" " + caps[i].getName() + " = " + caps[i].getProperties()); |
| } |
| } |
| } |
| } |
| |
| private void createUserInterface() |
| { |
| JSplitPane split = new JSplitPane( |
| JSplitPane.VERTICAL_SPLIT, createTree(), createConsole()); |
| split.setResizeWeight(1.0); |
| split.setDividerSize(5); |
| setLayout(new BorderLayout()); |
| add(split, BorderLayout.CENTER); |
| createEventListeners(); |
| } |
| |
| private JPanel createTree() |
| { |
| JPanel panel = new JPanel(new BorderLayout()); |
| panel.add(createRepoPanel(), BorderLayout.NORTH); |
| panel.add(createResourcePanel(), BorderLayout.CENTER); |
| return panel; |
| } |
| |
| private JPanel createRepoPanel() |
| { |
| JPanel panel = new JPanel(); |
| panel.setBorder(BorderFactory.createTitledBorder("Repositories")); |
| panel.add(m_addRepoButton = new JButton("Add")); |
| m_addRepoButton.setMnemonic('A'); |
| panel.add(m_removeRepoButton = new JButton("Remove")); |
| m_removeRepoButton.setMnemonic('R'); |
| panel.add(m_refreshRepoButton = new JButton("Refresh")); |
| m_refreshRepoButton.setMnemonic('f'); |
| m_removeRepoButton.setEnabled(false); |
| m_refreshRepoButton.setEnabled(false); |
| return panel; |
| } |
| |
| private JPanel createResourcePanel() |
| { |
| JPanel panel = new JPanel(new BorderLayout()); |
| panel.setBorder(BorderFactory.createTitledBorder("Resources")); |
| JScrollPane scroll = null; |
| panel.add( |
| scroll = new JScrollPane( |
| m_bundleTree = new JTree(new SimpleTreeNode(null, null))), BorderLayout.CENTER); |
| panel.add(createButtonPanel(), BorderLayout.SOUTH); |
| |
| // Set table scroll pane to reasonable size. |
| scroll.setPreferredSize(new Dimension(100, 100)); |
| m_bundleTree.setMinimumSize(new Dimension(0, 0)); |
| |
| // We don't need to see the root. |
| m_bundleTree.setRootVisible(false); |
| m_bundleTree.setShowsRootHandles(true); |
| |
| return panel; |
| } |
| |
| private JPanel createButtonPanel() |
| { |
| JPanel panel = new JPanel(); |
| panel.add(m_deployButton = new JButton(DEPLOY_BUTTON)); |
| panel.add(m_startButton = new JButton(START_BUTTON)); |
| panel.add(m_infoButton = new JButton("Info")); |
| m_deployButton.setMnemonic('D'); |
| m_startButton.setMnemonic('S'); |
| m_infoButton.setMnemonic('I'); |
| m_infoButton.setEnabled(false); |
| return panel; |
| } |
| |
| private JPanel createConsole() |
| { |
| JPanel panel = new JPanel(new BorderLayout()); |
| panel.add(m_soa, BorderLayout.CENTER); |
| panel.add(m_clearButton = new JButton("Clear"), BorderLayout.EAST); |
| m_clearButton.setMnemonic('C'); |
| |
| return panel; |
| } |
| |
| private static void printUnderline(PrintStream out, int length) |
| { |
| for (int i = 0; i < length; i++) |
| { |
| out.print('-'); |
| } |
| out.println(""); |
| } |
| |
| private void initializeRootNode() |
| { |
| synchronized (m_createRootRunnable) |
| { |
| new Thread(m_createRootRunnable).start(); |
| } |
| } |
| |
| private class CreateRootRunnable implements Runnable |
| { |
| public void run() |
| { |
| synchronized (OBRPlugin.this) |
| { |
| // HACK ALERT: This next if statement is a hack to force |
| // the OBR service to retrieve its repository files on |
| // this thread, rather than the Swing thread. This hack |
| // assumes that this GUI is working with Felix' OBR service, |
| // which defers retrieving repository URLs until needed. |
| if (m_repoAdmin != null) |
| { |
| m_repoAdmin.listRepositories(); |
| } |
| |
| // Create the new root node and then set it. |
| m_rootNode = new SimpleTreeNode(null, m_repoAdmin); |
| try |
| { |
| SwingUtilities.invokeAndWait(m_setRootRunnable); |
| } |
| catch (Exception ex) |
| { |
| // Ignore. |
| } |
| } |
| } |
| } |
| |
| private class SetRootRunnable implements Runnable |
| { |
| public void run() |
| { |
| ((DefaultTreeModel) m_bundleTree.getModel()).setRoot(m_rootNode); |
| } |
| } |
| |
| private static class SimpleTreeNode implements TreeNode |
| { |
| private TreeNode m_parent = null; |
| private Object m_obj = null; |
| private TreeNode[] m_children = null; |
| private String m_toString = null; |
| |
| public SimpleTreeNode(TreeNode parent, Object obj) |
| { |
| m_parent = parent; |
| m_obj = obj; |
| } |
| |
| public Object getObject() |
| { |
| return m_obj; |
| } |
| |
| public TreeNode getChildAt(int index) |
| { |
| if (m_children == null) |
| { |
| initialize(); |
| } |
| |
| if ((m_children != null) && (index >= 0) && (index < m_children.length)) |
| { |
| return m_children[index]; |
| } |
| |
| return null; |
| } |
| |
| public int getChildCount() |
| { |
| if (m_children == null) |
| { |
| initialize(); |
| } |
| return (m_children == null) ? 0 : m_children.length; |
| } |
| |
| public TreeNode getParent() |
| { |
| return m_parent; |
| } |
| |
| public int getIndex(TreeNode node) |
| { |
| if (m_children == null) |
| { |
| initialize(); |
| } |
| for (int i = 0; (m_children != null) && (i < m_children.length); i++) |
| { |
| if (m_children[i] == node) |
| { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| public boolean getAllowsChildren() |
| { |
| return true; |
| } |
| |
| public boolean isLeaf() |
| { |
| return (getChildCount() == 0); |
| } |
| |
| public Enumeration children() |
| { |
| return null; |
| } |
| |
| private void initialize() |
| { |
| // The current node might be the root repository admin. |
| if ((m_obj != null) && (m_obj instanceof RepositoryAdmin)) |
| { |
| Object[] objs = ((RepositoryAdmin) m_obj).listRepositories(); |
| if (objs != null) |
| { |
| m_children = new TreeNode[objs.length]; |
| for (int i = 0; i < objs.length; i++) |
| { |
| m_children[i] = new SimpleTreeNode(this, objs[i]); |
| } |
| } |
| } |
| else if (m_obj instanceof Repository) |
| { |
| Object[] objs = ((Repository) m_obj).getResources(); |
| if (objs != null) |
| { |
| m_children = new TreeNode[objs.length]; |
| for (int i = 0; i < objs.length; i++) |
| { |
| m_children[i] = new SimpleTreeNode(this, objs[i]); |
| } |
| } |
| } |
| } |
| |
| public String toString() |
| { |
| if (m_toString == null) |
| { |
| if (m_obj instanceof RepositoryAdmin) |
| { |
| m_toString = "ROOT"; |
| } |
| else if (m_obj instanceof Repository) |
| { |
| m_toString = ((Repository) m_obj).getName(); |
| } |
| else if (m_obj instanceof Resource) |
| { |
| m_toString = ((Resource) m_obj).getPresentationName() |
| + " (" + ((Resource) m_obj).getVersion() + ")"; |
| } |
| else |
| { |
| m_toString = (m_obj != null) ? m_obj.toString() : "null"; |
| } |
| } |
| return m_toString; |
| } |
| } |
| } |