geronimo-scm mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From jdil...@apache.org
Subject svn commit: r681611 [2/2] - in /geronimo/gshell/trunk/gshell-wisdom/src/main: java/org/apache/geronimo/gshell/wisdom/ java/org/apache/geronimo/gshell/wisdom/application/ java/org/apache/geronimo/gshell/wisdom/command/ java/org/apache/geronimo/gshell/wi...
Date Fri, 01 Aug 2008 06:37:03 GMT
Added: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
URL: http://svn.apache.org/viewvc/geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java?rev=681611&view=auto
==============================================================================
--- geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
(added)
+++ geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
Thu Jul 31 23:37:02 2008
@@ -0,0 +1,394 @@
+/*
+ * 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.geronimo.gshell.wisdom.shell;
+
+import jline.History;
+import org.apache.geronimo.gshell.ansi.Renderer;
+import org.apache.geronimo.gshell.application.ApplicationManager;
+import org.apache.geronimo.gshell.command.Variables;
+import org.apache.geronimo.gshell.commandline.CommandLineExecutor;
+import org.apache.geronimo.gshell.console.Console;
+import org.apache.geronimo.gshell.console.Console.ErrorHandler;
+import org.apache.geronimo.gshell.console.Console.Prompter;
+import org.apache.geronimo.gshell.console.JLineConsole;
+import org.apache.geronimo.gshell.io.IO;
+import org.apache.geronimo.gshell.model.application.Branding;
+import org.apache.geronimo.gshell.notification.ErrorNotification;
+import org.apache.geronimo.gshell.notification.ExitNotification;
+import org.apache.geronimo.gshell.shell.Shell;
+import org.apache.geronimo.gshell.shell.ShellInfo;
+import org.codehaus.plexus.util.IOUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * This is the primary implementation of {@link Shell}.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ShellImpl
+    implements Shell
+{
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    private ApplicationManager applicationManager;
+
+    private ShellInfo shellInfo;
+
+    private CommandLineExecutor executor;
+
+    private History history;
+
+    private Variables variables;
+
+    private IO io;
+
+    private Branding branding;
+
+    private Prompter prompter;
+
+    private ErrorHandler errorHandler;
+
+    public ShellImpl() {}
+
+    public ShellImpl(final ApplicationManager applicationManager, final ShellInfo shellInfo,
final CommandLineExecutor executor, final History history) {
+        assert applicationManager != null;
+        assert shellInfo != null;
+        assert executor != null;
+        assert history != null;
+
+        this.applicationManager = applicationManager;
+        this.shellInfo = shellInfo;
+        this.executor = executor;
+        this.history = history;
+    }
+
+    public Variables getVariables() {
+        return variables;
+    }
+
+    public ShellInfo getInfo() {
+        return shellInfo;
+    }
+
+    public boolean isInteractive() {
+        return true;
+    }
+
+    /*
+    public void initialize() throws InitializationException {
+        assert applicationManager != null;
+
+        // Dereference some bits from the applciation context
+        ApplicationContext context = applicationManager.getContext();
+        this.io = context.getIo();
+        this.variables = context.getVariables();
+        this.branding = context.getApplication().getBranding();
+
+        try {
+            loadProfileScripts();
+        }
+        catch (Exception e) {
+            throw new InitializationException(e.getMessage(), e);
+        }
+    }
+    */
+
+    //
+    // Command Execution (all delegates)
+    //
+
+    public Object execute(final String line) throws Exception {
+        return executor.execute(line);
+    }
+
+    public Object execute(final Object... args) throws Exception {
+        return executor.execute((Object[])args);
+    }
+
+    public Object execute(final String path, final Object[] args) throws Exception {
+        return executor.execute(path, args);
+    }
+
+    public Object execute(Object[][] commands) throws Exception {
+        return executor.execute(commands);
+    }
+
+    //
+    // Interactive Shell
+    //
+
+    public void run(final Object... args) throws Exception {
+        assert args != null;
+
+        log.debug("Starting interactive console; args: {}", args);
+
+        assert branding != null;
+        loadUserScript(branding.getInteractiveScriptName());
+
+        // Setup 2 final refs to allow our executor to pass stuff back to us
+        final AtomicReference<ExitNotification> exitNotifHolder = new AtomicReference<ExitNotification>();
+        final AtomicReference<Object> lastResultHolder = new AtomicReference<Object>();
+
+        // Whip up a tiny console executor that will execute shell command-lines
+        Console.Executor executor = new Console.Executor() {
+            public Result execute(final String line) throws Exception {
+                assert line != null;
+
+                try {
+                    Object result = ShellImpl.this.execute(line);
+
+                    lastResultHolder.set(result);
+                }
+                catch (ExitNotification n) {
+                    exitNotifHolder.set(n);
+
+                    return Result.STOP;
+                }
+
+                return Result.CONTINUE;
+            }
+        };
+
+        // Ya, bust out the sexy JLine console baby!
+        JLineConsole console = new JLineConsole(executor, io);
+
+        // Setup the prompt
+        console.setPrompter(getPrompter());
+
+        // Delegate errors for display and then continue
+        console.setErrorHandler(getErrorHandler());
+
+        // Hook up a nice history file (we gotta hold on to the history object at some point
so the 'history' command can get to it)
+        console.setHistory(history);
+
+        // Unless the user wants us to shut up, then display a nice welcome banner
+        if (!io.isQuiet()) {
+            String message = branding.getWelcomeMessage();
+            if (message != null) {
+                io.out.println(message);
+            }
+
+            //
+            // TODO: Render a nice line here if the branding has some property configured
to enable it (move that bit out of branding's job)
+            //
+        }
+
+        // Check if there are args, and run them and then enter interactive
+        if (args.length != 0) {
+            execute(args);
+        }
+
+        // And then spin up the console and go for a jog
+        console.run();
+
+        // If any exit notification occured while running, then puke it up
+        ExitNotification n = exitNotifHolder.get();
+        if (n != null) {
+            throw n;
+        }
+    }
+
+    public Prompter getPrompter() {
+        if (prompter == null) {
+            prompter = createPrompter();
+        }
+        return prompter;
+    }
+
+    public void setPrompter(final Prompter prompter) {
+        this.prompter = prompter;
+    }
+
+    /**
+     * Allow subclasses to override the default Prompter implementation used.
+     *
+     * @return Interactive properter.
+     */
+    protected Prompter createPrompter() {
+        return new Prompter() {
+            Renderer renderer = new Renderer();
+
+            public String prompt() {
+                assert shellInfo != null;
+
+                String userName = shellInfo.getUserName();
+                String hostName = shellInfo.getLocalHost().getHostName();
+
+                //
+                // HACK: There is no path... yet ;-)
+                //
+                String path = "/";
+
+                return renderer.render("@|bold " + userName + "|@" + hostName + ":@|bold
" + path + "|> ");
+            }
+        };
+    }
+
+    public ErrorHandler getErrorHandler() {
+        if (errorHandler == null) {
+            errorHandler = createErrorHandler();
+        }
+        return errorHandler;
+    }
+
+    public void setErrorHandler(ErrorHandler errorHandler) {
+        this.errorHandler = errorHandler;
+    }
+
+    public ErrorHandler createErrorHandler() {
+        return new ErrorHandler() {
+            public Result handleError(final Throwable error) {
+                assert error != null;
+
+                displayError(error);
+
+                return Result.CONTINUE;
+            }
+        };
+    }
+
+    //
+    // Error Display
+    //
+
+    private void displayError(final Throwable error) {
+        assert error != null;
+
+        // Decode any error notifications
+        Throwable cause = error;
+        if (error instanceof ErrorNotification) {
+            cause = error.getCause();
+        }
+
+        // Spit out the terse reason why we've failed
+        io.err.print("@|bold,red ERROR| ");
+        io.err.print(cause.getClass().getSimpleName());
+        io.err.println(": @|bold,red " + cause.getMessage() + "|");
+
+        // Determine if the stack trace flag is set
+        String stackTraceProperty = System.getProperty("gshell.show.stacktrace");
+        boolean stackTraceFlag = false;
+        if (stackTraceProperty != null) {
+        	stackTraceFlag = stackTraceProperty.trim().equals("true");
+        }
+
+        if (io.isDebug()) {
+            // If we have debug enabled then skip the fancy bits below, and log the full
error, don't decode shit
+            log.debug(error.toString(), error);
+        }
+        else if (io.isVerbose() || stackTraceFlag) {
+            // Render a fancy ansi colored stack trace
+            StackTraceElement[] trace = cause.getStackTrace();
+            StringBuffer buff = new StringBuffer();
+
+            for (StackTraceElement e : trace) {
+                buff.append("        @|bold at| ").
+                    append(e.getClassName()).
+                    append(".").
+                    append(e.getMethodName()).
+                    append(" (@|bold ");
+
+                buff.append(e.isNativeMethod() ? "Native Method" :
+                        (e.getFileName() != null && e.getLineNumber() != -1 ? e.getFileName()
+ ":" + e.getLineNumber() :
+                            (e.getFileName() != null ? e.getFileName() : "Unknown Source")));
+
+                buff.append("|)");
+
+                //
+                // FIXME: This does not properly display the full exception detail when cause
contains nested exceptions
+                //
+
+                io.err.println(buff);
+
+                buff.setLength(0);
+            }
+        }
+    }
+
+    //
+    // Script Processing
+    //
+
+    private void loadProfileScripts() throws Exception {
+        assert branding != null;
+
+        // Load profile scripts if they exist
+        loadSharedScript(branding.getProfileScriptName());
+        loadUserScript(branding.getProfileScriptName());
+    }
+
+    private void loadScript(final File file) throws Exception {
+        assert file != null;
+
+        //
+        // FIXME: Don't use 'source 'for right now, the shell spins out of control from plexus
component loading :-(
+        //
+        // execute("source", file.toURI().toURL());
+
+        BufferedReader reader = new BufferedReader(new FileReader(file));
+
+        try {
+            String line;
+
+            while ((line = reader.readLine()) != null) {
+                execute(line);
+            }
+        }
+        finally {
+            IOUtil.close(reader);
+        }
+    }
+
+    private void loadUserScript(final String fileName) throws Exception {
+        assert fileName != null;
+
+        File file = new File(branding.getUserDirectory(), fileName);
+
+        if (file.exists()) {
+            log.debug("Loading user-script: {}", file);
+
+            loadScript(file);
+        }
+        else {
+            log.debug("User script is not present: {}", file);
+        }
+    }
+
+    private void loadSharedScript(final String fileName) throws Exception {
+        assert fileName != null;
+
+        File file = new File(branding.getUserDirectory(), fileName);
+
+        if (file.exists()) {
+            log.debug("Loading shared-script: {}", file);
+
+            loadScript(file);
+        }
+        else {
+            log.debug("Shared script is not present: {}", file);
+        }
+    }
+}
\ No newline at end of file

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellImpl.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain

Added: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
URL: http://svn.apache.org/viewvc/geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java?rev=681611&view=auto
==============================================================================
--- geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
(added)
+++ geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
Thu Jul 31 23:37:02 2008
@@ -0,0 +1,102 @@
+/*
+ * 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.geronimo.gshell.wisdom.shell;
+
+import org.apache.geronimo.gshell.shell.ShellInfo;
+import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
+import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+/**
+ * Provides some runtime information about the shell.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ShellInfoImpl
+    implements ShellInfo, Initializable
+{
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    private InetAddress localHost;
+
+    private File homeDir;
+
+    public ShellInfoImpl() {}
+
+    public File getHomeDir() {
+        if (homeDir == null) {
+            throw new IllegalStateException();
+        }
+
+        return homeDir;
+    }
+
+    public InetAddress getLocalHost() {
+        if (localHost == null) {
+            throw new IllegalStateException();
+        }
+
+        return localHost;
+    }
+
+    public String getUserName() {
+        return System.getProperty("user.name");
+    }
+
+    public void initialize() throws InitializationException {
+        homeDir = detectHomeDir();
+
+        log.debug("Using home directory: {}", homeDir);
+
+        try {
+            localHost = InetAddress.getLocalHost();
+        }
+        catch (UnknownHostException e) {
+            throw new InitializationException("Unable to determine locahost", e);
+        }
+    }
+
+    private File detectHomeDir() throws InitializationException {
+        String homePath = System.getProperty("user.home");
+
+        // And now lets resolve this sucker
+        File dir;
+
+        try {
+            dir = new File(homePath).getCanonicalFile();
+        }
+        catch (IOException e) {
+            throw new InitializationException("Failed to resolve home directory: " + homePath,
e);
+        }
+
+        // And some basic sanity too
+        if (!dir.exists() || !dir.isDirectory()) {
+            throw new InitializationException("Home directory configured but is not a valid
directory: " + dir);
+        }
+
+        return dir;
+    }
+}
\ No newline at end of file

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/java/org/apache/geronimo/gshell/wisdom/shell/ShellInfoImpl.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain

Added: geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
URL: http://svn.apache.org/viewvc/geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml?rev=681611&view=auto
==============================================================================
--- geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
(added)
+++ geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
Thu Jul 31 23:37:02 2008
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    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.
+-->
+
+<!-- $Rev$ $Date$ -->
+        
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:util="http://www.springframework.org/schema/util"
+       xsi:schemaLocation="
+            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+            http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">
+
+    <!--
+    TODO:
+    -->
+
+</beans>
\ No newline at end of file

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Propchange: geronimo/gshell/trunk/gshell-wisdom/src/main/resources/META-INF/spring/components.xml
------------------------------------------------------------------------------
    svn:mime-type = text/xml



Mime
View raw message