Attachment 18373 Details for Bug 75333 – adds a main method so that it can be used as a stand-alone app

[patch] adds a main method so that it can be used as a stand-alone app

org.eclipse.jdt.core-formatter-application.patch (text/plain), 20.85 KB, created by Ben Konrath

on 2005-02-28 20:10:54 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Ben Konrath

Created: 2005-02-28 20:10:54 EST

Size: 20.85 KB

patch

obsolete

>Index: plugin.xml
>===================================================================
>RCS file: /home/eclipse/org.eclipse.jdt.core/plugin.xml,v
>retrieving revision 1.76
>diff -u -r1.76 plugin.xml
>--- plugin.xml	4 Jan 2005 10:43:40 -0000	1.76
>+++ plugin.xml	26 Feb 2005 05:17:20 -0000
>@@ -209,4 +209,15 @@
>    <initializer class="org.eclipse.jdt.internal.core.JavaCorePreferenceInitializer"/>
> </extension>
> 
>+
>+
>+
>+<extension
>+      id="JavaCodeFormatter"
>+      point="org.eclipse.core.runtime.applications">
>+      	<application>
>+      		<run class="org.eclipse.jdt.core.formatter.CodeFormatterApplication" />
>+		</application>
>+</extension>
>+
> </plugin>
>Index: formatter/org/eclipse/jdt/core/formatter/CodeFormatter.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.jdt.core/formatter/org/eclipse/jdt/core/formatter/CodeFormatter.java,v
>retrieving revision 1.9
>diff -u -r1.9 CodeFormatter.java
>--- formatter/org/eclipse/jdt/core/formatter/CodeFormatter.java	23 Feb 2005 02:47:58 -0000	1.9
>+++ formatter/org/eclipse/jdt/core/formatter/CodeFormatter.java	26 Feb 2005 05:17:21 -0000
>@@ -62,7 +62,7 @@
> 	 *      level of zero or below has no effect.
> 	 * @param lineSeparator the line separator to use in formatted source,
> 	 *     if set to <code>null</code>, then the platform default one will be used.
>-	 * @return the text edit
>+	 * @return the text edit or <code>null</code> if the given string cannot be formatted.
> 	 * @throws IllegalArgumentException if offset is lower than 0, length is lower than 0 or
> 	 * length is greater than source length.
> 	 */
>Index: formatter/org/eclipse/jdt/core/formatter/CodeFormatterApplication.java
>===================================================================
>RCS file: formatter/org/eclipse/jdt/core/formatter/CodeFormatterApplication.java
>diff -N formatter/org/eclipse/jdt/core/formatter/CodeFormatterApplication.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ formatter/org/eclipse/jdt/core/formatter/CodeFormatterApplication.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,435 @@
>+/*******************************************************************************
>+ * Copyright (c) 2004 Ben Konrath <ben@bagu.org>
>+ * All rights reserved. This program and the accompanying materials 
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ *     Ben Konrath <ben@bagu.org> - initial implementation
>+ *******************************************************************************/
>+
>+package org.eclipse.jdt.core.formatter;
>+
>+import java.io.BufferedReader;
>+import java.io.BufferedWriter;
>+import java.io.File;
>+import java.io.FileInputStream;
>+import java.io.FileReader;
>+import java.io.FileWriter;
>+import java.io.IOException;
>+import java.io.Writer;
>+import java.text.MessageFormat;
>+import java.util.ArrayList;
>+import java.util.HashMap;
>+import java.util.Map;
>+import java.util.MissingResourceException;
>+import java.util.ResourceBundle;
>+
>+import javax.xml.parsers.ParserConfigurationException;
>+import javax.xml.parsers.SAXParser;
>+import javax.xml.parsers.SAXParserFactory;
>+
>+import org.eclipse.core.runtime.IPlatformRunnable;
>+import org.eclipse.core.runtime.Platform;
>+import org.eclipse.jdt.core.ToolFactory;
>+import org.eclipse.jdt.internal.core.util.Util;
>+import org.eclipse.jface.text.BadLocationException;
>+import org.eclipse.jface.text.Document;
>+import org.eclipse.jface.text.IDocument;
>+import org.eclipse.text.edits.TextEdit;
>+import org.xml.sax.Attributes;
>+import org.xml.sax.InputSource;
>+import org.xml.sax.SAXException;
>+import org.xml.sax.helpers.DefaultHandler;
>+
>+/**
>+ * Class that handles the org.eclipse.jdt.core.JavaCodeFormatter the
>+ * application. The map file reading code is based on code in ProfileStore.java
>+ * (org.eclipse.jdf.ui).
>+ * 
>+ * There are a couple improvments that could be made:
>+ * 1. Add an import clean up option (requires stuff from org.eclipse.jdt.ui).
>+ * 2. Make a list of all the files first and then format. You could then 
>+ *    remove duplicate files. 
>+ * 
>+ * @author Ben Konrath <ben@bagu.org>
>+ * @since 3.1
>+ */
>+public class CodeFormatterApplication implements IPlatformRunnable {
>+
>+    /**
>+     * A SAX event handler to parse the config xml.
>+     */
>+    private final static class ConfigHandler extends DefaultHandler {
>+
>+        /**
>+         * Identifiers for the XML file.
>+         */
>+        private final String XML_NODE_ROOT = "profiles"; //$NON-NLS-1$
>+
>+        private final String XML_NODE_PROFILE = "profile"; //$NON-NLS-1$
>+
>+        private final String XML_NODE_SETTING = "setting"; //$NON-NLS-1$
>+
>+        private final String XML_ATTRIBUTE_VERSION = "version"; //$NON-NLS-1$
>+
>+        private final String XML_ATTRIBUTE_ID = "id"; //$NON-NLS-1$
>+
>+        private final String XML_ATTRIBUTE_NAME = "name"; //$NON-NLS-1$
>+
>+        private final String XML_ATTRIBUTE_VALUE = "value"; //$NON-NLS-1$
>+
>+        private int fVersion;
>+
>+        private String fName;
>+
>+        private Map fSettings;
>+
>+        public void startElement(String uri, String localName, String qName,
>+                Attributes attributes) throws SAXException {
>+
>+            if (qName.equals(XML_NODE_SETTING)) {
>+
>+                final String key = attributes.getValue(XML_ATTRIBUTE_ID);
>+                final String value = attributes.getValue(XML_ATTRIBUTE_VALUE);
>+                fSettings.put(key, value);
>+
>+            } else if (qName.equals(XML_NODE_PROFILE)) {
>+
>+                fName = attributes.getValue(XML_ATTRIBUTE_NAME);
>+                fSettings = new HashMap(200);
>+
>+            } else if (qName.equals(XML_NODE_ROOT)) {
>+
>+                try {
>+                    fVersion = Integer.parseInt(attributes
>+                            .getValue(XML_ATTRIBUTE_VERSION));
>+                } catch (NumberFormatException ex) {
>+                    throw new SAXException(ex);
>+                }
>+
>+            }
>+        }
>+
>+        public Map getSettings() {
>+            return fSettings;
>+        }
>+
>+        public int getVersion() {
>+            return fVersion;
>+        }
>+
>+        public String getName() {
>+            return fName;
>+        }
>+
>+    }
>+
>+    /**
>+     * Deals with the messages in the properties file (cut n' pasted from a
>+     * generated class).
>+     */
>+    private final static class FormatterAppMessages {
>+        private static final String BUNDLE_NAME = "org.eclipse.jdt.core.formatter.FormatterAppMessages";//$NON-NLS-1$
>+
>+        private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle
>+                .getBundle(BUNDLE_NAME);
>+
>+        public static String getString(String key) {
>+            try {
>+                return RESOURCE_BUNDLE.getString(key);
>+            } catch (MissingResourceException e) {
>+                return '!' + key + '!';
>+            }
>+        }
>+
>+        public static String getFormattedString(String key, String arg) {
>+            return getFormattedString(key, new String[] { arg });
>+        }
>+
>+        public static String getFormattedString(String key, String[] args) {
>+            return MessageFormat.format(getString(key), args);
>+        }
>+    }
>+    
>+    /*
>+     * FIXME This value should come from ProfileVersioner.CURRENT_VERSION, however
>+     * this class cannot be included here because it is internal to
>+     * org.eclipse.jdt.ui and becuase this plugin (org.eclipse.jdt.core) does
>+     * not require org.eclipse.jdt.ui (nor should it). Refactoring this to make
>+     * it an external class of org.eclipse.jdt.core would solve these problems.
>+     */
>+    int CURRENT_VERSION = 6;
>+
>+    /**
>+     * Read the xml config file and return a Map representing the options that
>+     * are in the specified config file.
>+     */
>+    public Map readConfig(String filename) {
>+
>+        try {
>+            final FileInputStream reader = new FileInputStream(new File(
>+                    filename));
>+            final ConfigHandler handler = new ConfigHandler();
>+
>+            try {
>+                InputSource inputSource = new InputSource(reader);
>+                final SAXParserFactory factory = SAXParserFactory.newInstance();
>+                final SAXParser parser = factory.newSAXParser();
>+                parser.parse(inputSource, handler);
>+                if (handler.getVersion() != CURRENT_VERSION)
>+                    return null;
>+                configName = handler.getName();
>+                return handler.getSettings();
>+
>+            } finally {
>+                try { reader.close(); } catch (IOException e) { /* ignore */ }
>+            }
>+
>+        } catch (IOException e) {
>+            Util.log(e, FormatterAppMessages
>+                    .getString("ConfigFile.reading.error")); //$NON-NLS-1$
>+        } catch (SAXException e) {
>+            Util.log(e, FormatterAppMessages
>+                    .getString("ConfigFile.reading.error")); //$NON-NLS-1$
>+        } catch (ParserConfigurationException e) {
>+            Util.log(e, FormatterAppMessages
>+                    .getString("ConfigFile.reading.error")); //$NON-NLS-1$
>+        }
>+        return null;
>+    }
>+    
>+	/*
>+	 * Allow the formatter to run in a stand-alone mode.
>+	 */
>+	public static void main(String[] args) throws Exception {
>+		new CodeFormatterApplication().run(args);
>+	}
>+	
>+    /**
>+     * Runs the Java code formatter application
>+     */
>+    public Object run(Object args) throws Exception {
>+        
>+        ArrayList fileList = processCommandLine((String[]) args);
>+        
>+        // nothing to do
>+        if (fileList == null || fileList.isEmpty())
>+        	return EXIT_OK;
>+       
>+        if (!quiet) {
>+        	if (configName != null)
>+        		System.out.println(FormatterAppMessages.getFormattedString("CommandLine.config.file", configName)); //$NON-NLS-1$
>+            System.out.println(FormatterAppMessages.getString("CommandLine.start")); //$NON-NLS-1$
>+        }
>+        
>+        // format the list of files and/or directories
>+        while (!fileList.isEmpty()) {
>+        	File file = (File) fileList.remove(0);
>+        		
>+            if (file.isDirectory())
>+                formatDirTree(file);
>+            else
>+                formatFile(file);    
>+        }
>+        
>+        if (!quiet) {
>+            System.out.println(FormatterAppMessages.getString("CommandLine.done")); //$NON-NLS-1$
>+        }
>+        
>+        return EXIT_OK;
>+    }
>+
>+    private void displayHelp(String message) {
>+        System.err.println(message);
>+        System.out.println(""); //$NON-NLS-1$
>+        displayHelp();
>+    }
>+
>+    private String configName;
>+    
>+    /*
>+     * The output will look like this:
>+     * 
>+     * "Usage: eclipse -application org.eclipse.jdt.core.JavaCodeFormatter [ OPTIONS ] <files>
>+     *     <files>		Java source files and/or directories to format.
>+     *					Only files ending with .java will be formatted in the given directory.
>+     *  OPTIONS:
>+     *	   -config <file>		Use the formatting style from the specified config file.
>+     *							This file must be an xml file that has been exported by Eclipse 3.0.
>+     *     -help				Display this message.
>+     *     -quiet				Only print error messages.
>+     *	   -verbose				Be verbose about the formatting job.   
>+     */
>+    private void displayHelp() {
>+        String binaryName = "eclipse"; //$NON-NLS-1$ 
>+
>+        // this is UG-LY. is there a way to make this look nicer?
>+        System.out.println(FormatterAppMessages.getFormattedString("CommandLine.usage", //$NON-NLS-1$
>+        		binaryName + " -application org.eclipse.jdt.core.JavaCodeFormatter")); //$NON-NLS-1$
>+        System.out.println(""); //$NON-NLS-1$
>+        
>+        System.out.println("   " + FormatterAppMessages.getString("CommandLine.files") //$NON-NLS-1$ //$NON-NLS-2$
>+                + "\t" + FormatterAppMessages.getString("CommandLine.files.msg1")); //$NON-NLS-1$ //$NON-NLS-2$
>+        System.out.println("\t\t" //$NON-NLS-1$
>+        		+ FormatterAppMessages.getFormattedString("CommandLine.files.msg2", ".java")); //$NON-NLS-1$ //$NON-NLS-2$ 
>+        
>+        System.out.println(FormatterAppMessages.getString("CommandLine.options")); //$NON-NLS-1$
>+        System.out.println("   " + FormatterAppMessages.getFormattedString("CommandLine.config", ARG_CONFIG) //$NON-NLS-1$ //$NON-NLS-2$ 
>+        		+ "\t" + FormatterAppMessages.getString("CommandLine.config.msg1")); //$NON-NLS-1$ //$NON-NLS-2$
>+        System.out.println("\t\t\t" + FormatterAppMessages.getString("CommandLine.config.msg2")); //$NON-NLS-1$ //$NON-NLS-2$
>+        System.out.println("   " + ARG_HELP + "\t\t" + FormatterAppMessages.getString("CommandLine.help")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
>+        System.out.println("   " + ARG_QUIET + "\t\t" + FormatterAppMessages.getString("CommandLine.quiet")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
>+        System.out.println("   " + ARG_VERBOSE +"\t\t" + FormatterAppMessages.getString("CommandLine.verbose")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ 
>+    }
>+    
>+    private final String ARG_HELP =    "-help"; //$NON-NLS-1$
>+    private final String ARG_CONFIG =  "-config"; //$NON-NLS-1$
>+    private final String ARG_VERBOSE = "-verbose"; //$NON-NLS-1$
>+    private final String ARG_QUIET = "-quiet"; //$NON-NLS-1$
>+    private boolean verbose = false;
>+    private boolean quiet = false;
>+    
>+    private ArrayList processCommandLine(String[] argsArray) {
>+
>+        ArrayList args = new ArrayList();
>+        for (int i = 0; i < argsArray.length; i++) {
>+			args.add(argsArray[i]);
>+		}
>+        
>+        // look for flag-like args
>+        if (args.remove(ARG_HELP)) {
>+            displayHelp();
>+            return null;
>+        }
>+        if (args.remove(ARG_VERBOSE))
>+            verbose = true;
>+        if (args.remove(ARG_QUIET)) 
>+        	quiet = true;
>+        
>+        if (quiet && verbose) {
>+        	displayHelp(FormatterAppMessages.getFormattedString
>+        			("CommandLineError.quiet.verbose", new String[] {ARG_QUIET, ARG_VERBOSE})); //$NON-NLS-1$
>+        	return null;
>+        }
>+        args.remove("-pdelaunch"); //$NON-NLS-1$
>+
>+        // look for flag/param args
>+        int index = args.indexOf(ARG_CONFIG);
>+        if (index >= 0) {
>+            args.remove(index);
>+            String configFile = (String) args.remove(index);
>+            options = readConfig(configFile);
>+            if (options == null) {
>+                displayHelp(FormatterAppMessages
>+                        .getFormattedString("CommandLineError.config", configFile)); //$NON-NLS-1$
>+                return null;
>+            }
>+        }
>+
>+        // only the files and directories should remain
>+        ArrayList fileList = new ArrayList();
>+        while (!args.isEmpty()) {
>+			String fileName = (String) args.remove(0);
>+			File file = new File(fileName);
>+			if (file.exists()) {
>+				fileList.add(file);
>+			} else {
>+				displayHelp(FormatterAppMessages
>+					.getFormattedString("CommandLineError.file", fileName)); //$NON-NLS-1$
>+				return null;
>+			}
>+		}
>+        
>+        if (fileList.isEmpty())
>+        	displayHelp(FormatterAppMessages.getString("CommandLineError.file.dir")); //$NON-NLS-1$
>+        	
>+        return fileList;
>+    }
>+
>+    /**
>+     * Recursively format the Java source code that is contained in the
>+     * directory rooted at dir.
>+     */
>+    private void formatDirTree(File dir) {
>+
>+        File[] files = dir.listFiles();
>+        if (files == null)
>+            return;
>+
>+        for (int i = 0; i < files.length; i++) {
>+            File file = files[i];
>+            if (file.isDirectory()) {
>+                formatDirTree(file);
>+            } else if (file.getPath().endsWith(".java")) { //$NON-NLS-1$
>+                formatFile(file);
>+            }
>+        }
>+    }
>+
>+    // internal representation of configuration options in the xml file
>+    private Map options = null;
>+
>+    /**
>+     * Format the given Java source file.
>+     */
>+    private void formatFile(File file) {
>+        
>+        IDocument doc = new Document();
>+        try {
>+            // read the file
>+            final BufferedReader in = new BufferedReader(new FileReader(file));
>+            if (verbose) {           
>+                System.out.println(FormatterAppMessages.getFormattedString
>+                		("CommandLine.formatting", file.getName())); //$NON-NLS-1$
>+            }
>+            String line;
>+            String contents = ""; //$NON-NLS-1$
>+            try {
>+                while ((line = in.readLine()) != null)
>+                    contents = contents
>+                            + System.getProperty("line.separator") + line; //$NON-NLS-1$
>+            } finally {
>+                try { in.close(); } catch (IOException e) { /* ignore */  }
>+            }
>+          
>+            // format the file (the meat and potatoes)
>+            doc.set(contents);
>+            TextEdit edit = ToolFactory.createCodeFormatter(options).format(
>+                    CodeFormatter.K_COMPILATION_UNIT, doc.get(), 0,
>+                    doc.getLength(), 0, null);
>+            if (edit != null) {
>+                edit.apply(doc);
>+            } else {            	
>+                System.err.println
>+                	(FormatterAppMessages.getFormattedString("Edit.problem", file.getName())); //$NON-NLS-1$
>+                return;
>+            }
>+        
>+            // write the file
>+            final Writer out = new BufferedWriter(new FileWriter(file, false));
>+            try {
>+                out.write(doc.get());
>+                out.flush();
>+            } finally {
>+                try { out.close(); } catch (IOException e) { /* ignore */ }
>+            }
>+            
>+        } catch (IOException e) {
>+            String errorMessage = FormatterAppMessages.getString("Exception.io") + " " //$NON-NLS-1$ //$NON-NLS-2$
>+            	+ e.getLocalizedMessage();
>+            Util.log(e, errorMessage);
>+            System.err.println(errorMessage); 
>+            System.err.println(FormatterAppMessages.getString("Exception.skip")); //$NON-NLS-1$
>+            
>+        }  catch (BadLocationException e) {
>+            String errorMessage = FormatterAppMessages.getString("Exception.bad.location") + " " //$NON-NLS-1$ //$NON-NLS-2$
>+    			+ e.getLocalizedMessage();
>+            Util.log(e, errorMessage);
>+            System.err.println(errorMessage); 
>+            System.err.println(FormatterAppMessages.getString("Exception.skip")); //$NON-NLS-1$
>+        }
>+    }
>+
>+}
>Index: formatter/org/eclipse/jdt/core/formatter/FormatterAppMessages.properties
>===================================================================
>RCS file: formatter/org/eclipse/jdt/core/formatter/FormatterAppMessages.properties
>diff -N formatter/org/eclipse/jdt/core/formatter/FormatterAppMessages.properties
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ formatter/org/eclipse/jdt/core/formatter/FormatterAppMessages.properties	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,47 @@
>+/*******************************************************************************
>+ * Copyright (c) 2004 Ben Konrath <ben@bagu.org>
>+ * All rights reserved. This program and the accompanying materials 
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ * 
>+ * Contributors:
>+ *     Ben Konrath <ben@bagu.org> - initial implementation
>+ *******************************************************************************/
>+
>+CommandLine.start=Starting format job ...
>+CommandLine.done=Done.
>+CommandLine.config.file=Configuration Name: {0}
>+CommandLine.formatting=Formatting: {0}
>+
>+CommandLine.usage=Usage: {0} [ OPTIONS ] <files>
>+
>+CommandLine.files=<files>
>+CommandLine.files.msg1=Java source files and/or directories to format.
>+CommandLine.files.msg2=Only files ending with {0} will be formatted in the given directory.
>+
>+CommandLine.options=OPTIONS:
>+CommandLine.config={0} <file>
>+CommandLine.config.msg1=Use the formatting style from the specified config file.
>+CommandLine.config.msg2=This file must be an xml file that has been exported by Eclipse 3.0.
>+CommandLine.help=Display this message.
>+CommandLine.quiet=Only print error messages.
>+CommandLine.verbose=Be verbose about the formatting job.
>+
>+
>+CommandLineError.file={0} does not exsit. Please specify only valid Java Source files.
>+CommandLineError.config=There was problem reading the config file, {0}.
>+CommandLineError.file.dir=You must specify at least one file or dirctory to format.
>+CommandLineError.quiet.verbose=You cannot use the options {0} and {1} together.
>+
>+
>+Exception.io=Caught IOExecption:
>+Exception.bad.location=Caught BadLocationException:  
>+Exception.skip=Skipping File.
>+
>+
>+ConfigFile.reading.error=Error Reading config file.
>+
>+
>+Edit.problem=The Eclipse formatter had a problem {0}, Skipping.
>+

Actions: View | Diff

Attachments on bug 75333: 17416 | 17493 | 18373 | 33430 | 33432 | 33760 | 33870 | 34106