user/src/com/google/gwt/i18n/tools/I18NCreator.java - gwt - Git at Google

 /*
  * Copyright 2007 Google Inc.
  *
  * 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 com.google.gwt.i18n.tools;

 import com.google.gwt.i18n.client.Constants;
 import com.google.gwt.i18n.client.ConstantsWithLookup;
 import com.google.gwt.i18n.client.Localizable;
 import com.google.gwt.i18n.client.Messages;
 import com.google.gwt.user.tools.util.ArgHandlerEclipse;
 import com.google.gwt.user.tools.util.ArgHandlerIgnore;
 import com.google.gwt.user.tools.util.ArgHandlerOverwrite;
 import com.google.gwt.util.tools.ArgHandlerExtra;
 import com.google.gwt.util.tools.ArgHandlerOutDir;
 import com.google.gwt.util.tools.ToolBase;
 import com.google.gwt.util.tools.Utility;

 import java.io.File;
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;

 /**
  * Command line assistant for i18n.
  */

 public final class I18NCreator extends ToolBase {

   /**
    * Utility class to handle class name argument.
    *
    */
   protected class ArgHandlerClassName extends ArgHandlerExtra {

     @Override
     public boolean addExtraArg(String arg) {
       if (fullInterfaceName != null) {
         System.err.println("Too many arguments.");
         return false;
       }

       // Check className for certain properties
       if (!arg.matches("[\\w\\$]+(\\.[\\w\\$]+)+")) {
         System.err.println("'"
             + arg
             + "' does not appear to be a valid fully-qualified Java class name.");
         return false;
       }

       // Check out the class name.
       //
       if (arg.indexOf('$') != -1) {
         System.err.println("'" + arg
             + "': This version of the tool does not support nested classes");
         return false;
       }

       String[] parts = arg.split("\\.");
       if (parts.length < 2) {
         System.err.println("'" + arg
             + "': Cannot live in the root package. Please specify a package.");
         return false;
       }

       fullInterfaceName = arg;
       return true;
     }

     @Override
     public String getPurpose() {
       return "The fully qualified name of the interface to create";
     }

     @Override
     public String[] getTagArgs() {
       return new String[] {
         "interfaceName"
       };
     }

     @Override
     public boolean isRequired() {
       return true;
     }
   }

   private static final String PACKAGE_PATH;

   static {
     String path = I18NCreator.class.getName();
     path = path.substring(0, path.lastIndexOf('.') + 1);
     PACKAGE_PATH = path.replace('.', '/');
   }

   public static void main(String[] args) {
     I18NCreator creator = new I18NCreator();
     if (creator.processArgs(args)) {
       if (creator.run()) {
         return;
       }
     }

     System.exit(1);
   }

   /**
    * @param fullInterfaceName Name of the fully-qualified Java class to create
    *          as an Application.
    * @param outDir Where to put the output files
    * @param eclipse The name of a project to attach a .launch config to
    * @param overwrite Overwrite an existing files if they exist.
    * @param ignore Ignore existing files if they exist.
    * @param interfaceToCreate the class instance to create - Constants,
    *          ConstantsWithLookup, or Messages
    * @throws IOException
    */
   static void createLocalizable(String fullInterfaceName, File outDir,
       String eclipse, boolean overwrite, boolean ignore,
       Class<? extends Localizable> interfaceToCreate) throws IOException {

     // Figure out the installation directory
     String installPath = Utility.getInstallPath();
     String gwtUserPath = installPath + '/' + "gwt-user.jar";
     String gwtDevPath = installPath + '/' + "gwt-dev.jar";

     // Figure out what platform we're on
     //
     boolean isWindows = System.getProperty("os.name").contains("Windows");

     // If the path from here to the install directory is relative, we need to
     // set specific "base" directory tags; this is for sample creation during
     // the
     // build.
     String basePathEnv;
     if (!new File(installPath).isAbsolute()) {
       if (isWindows) {
         basePathEnv = "%~dp0\\";
       } else {
         basePathEnv = "$APPDIR/";
       }
     } else {
       basePathEnv = "";
     }

     // Check out the class and package names.
     //
     int pos = fullInterfaceName.lastIndexOf('.');
     String clientPackageName = fullInterfaceName.substring(0, pos);
     String interfaceName = fullInterfaceName.substring(pos + 1);

     // Compute module name and directories
     //
     pos = clientPackageName.lastIndexOf('.');
     File clientDir = Utility.getDirectory(outDir, "src", true);
     if (pos >= 0) {
       String clientPackage = clientPackageName.replace('.', '/');
       clientDir = Utility.getDirectory(clientDir, clientPackage, true);
     }

     // Create a map of replacements
     //
     Map<String, String> replacements = new HashMap<String, String>();
     replacements.put("@className", fullInterfaceName);
     replacements.put("@shortClassName", interfaceName);
     replacements.put("@gwtUserPath", basePathEnv + gwtUserPath);
     replacements.put("@gwtDevPath", basePathEnv + gwtDevPath);
     replacements.put("@compileClass", "com.google.gwt.dev.GWTCompiler");
     replacements.put("@i18nClass", "com.google.gwt.i18n.tools.I18NSync");

     // Add command line arguments to create
     // Messages/Constants/ConstantsWithLookup code.
     String templateData = null;

     if (Messages.class == interfaceToCreate) {
       replacements.put("@createMessages", "-createMessages");
       templateData = Utility.getFileFromClassPath(PACKAGE_PATH
           + "i18nMessages.propertiessrc");
     } else {
       if (ConstantsWithLookup.class == interfaceToCreate) {
         replacements.put("@createMessages", "-createConstantsWithLookup");
       } else if (Constants.class == interfaceToCreate) {
         replacements.put("@createMessages", "");
       } else {
         throw new RuntimeException(
             "Internal Error: Unable to create i18n class derived from "
                 + interfaceToCreate.getName());
       }
       // This same template works for both Constants and ConstantsWithLookup
       // classes
       templateData = Utility.getFileFromClassPath(PACKAGE_PATH
           + "i18nConstants.propertiessrc");
     }

     // Populate the file from the template
     File i18nPropertiesFile = Utility.createNormalFile(clientDir, interfaceName
         + ".properties", overwrite, ignore);
     if (i18nPropertiesFile != null && templateData != null) {
       Utility.writeTemplateFile(i18nPropertiesFile, templateData, replacements);
     }

     if (eclipse != null) {
       // Create an eclipse localizable creator launch config
       replacements.put("@projectName", eclipse);
       File updateLaunchConfig = Utility.createNormalFile(outDir, interfaceName
           + "-i18n" + ".launch", overwrite, ignore);
       if (updateLaunchConfig != null) {
         String out = Utility.getFileFromClassPath(PACKAGE_PATH
             + "I18N-update.launchsrc");
         Utility.writeTemplateFile(updateLaunchConfig, out, replacements);
       }
     }

     // create startup files
     String extension;
     if (isWindows) {
       extension = ".cmd";
     } else {
       extension = "";
     }
     File gwti18n = Utility.createNormalFile(outDir, interfaceName + "-i18n"
         + extension, overwrite, ignore);
     if (gwti18n != null) {
       String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwti18n"
           + extension + "src");
       Utility.writeTemplateFile(gwti18n, out, replacements);
       if (extension.length() == 0) {
         Runtime.getRuntime().exec("chmod u+x " + gwti18n.getAbsolutePath());
       }
     }
   }

   private ArgHandlerValueChooser chooser;
   private String eclipse = null;
   private String fullInterfaceName = null;
   private boolean ignore = false;
   private File outDir;
   private boolean overwrite = false;

   protected I18NCreator() {

     registerHandler(new ArgHandlerEclipse() {

       @Override
       public boolean setString(String str) {
         eclipse = str;
         return true;
       }
     });

     registerHandler(new ArgHandlerOutDir() {

       @Override
       public void setDir(File dir) {
         outDir = dir;
       }
     });

     registerHandler(new ArgHandlerOverwrite() {

       @Override
       public boolean setFlag(boolean value) {
         if (value && ignore) {
           System.err.println("-overwrite cannot be used with -ignore.");
           return false;
         }
         overwrite = value;
         return true;
       }

       @Override
       public boolean getDefaultValue() {
         return overwrite;
       }
     });
     chooser = new ArgHandlerValueChooser();
     registerHandler(chooser.getConstantsWithLookupArgHandler());
     registerHandler(chooser.getMessagesArgHandler());

     registerHandler(new ArgHandlerIgnore() {

       @Override
       public boolean setFlag(boolean value) {
         if (value && overwrite) {
           System.err.println("-ignore cannot be used with -overwrite.");
           return false;
         }
         ignore = value;
         return true;
       }

       @Override
       public boolean getDefaultValue() {
         return ignore;
       }
     });

     registerHandler(new ArgHandlerClassName());
   }

   protected boolean run() {
     try {
       createLocalizable(fullInterfaceName, outDir, eclipse, overwrite, ignore,
           chooser.getArgValue());
       return true;
     } catch (IOException e) {
       System.err.println(e.getClass().getName() + ": " + e.getMessage());
       return false;
     }
   }
 }
	/*
	* Copyright 2007 Google Inc.
	*
	* 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 com.google.gwt.i18n.tools;

	import com.google.gwt.i18n.client.Constants;
	import com.google.gwt.i18n.client.ConstantsWithLookup;
	import com.google.gwt.i18n.client.Localizable;
	import com.google.gwt.i18n.client.Messages;
	import com.google.gwt.user.tools.util.ArgHandlerEclipse;
	import com.google.gwt.user.tools.util.ArgHandlerIgnore;
	import com.google.gwt.user.tools.util.ArgHandlerOverwrite;
	import com.google.gwt.util.tools.ArgHandlerExtra;
	import com.google.gwt.util.tools.ArgHandlerOutDir;
	import com.google.gwt.util.tools.ToolBase;
	import com.google.gwt.util.tools.Utility;

	import java.io.File;
	import java.io.IOException;
	import java.util.HashMap;
	import java.util.Map;

	/**
	* Command line assistant for i18n.
	*/

	public final class I18NCreator extends ToolBase {

	/**
	* Utility class to handle class name argument.
	*
	*/
	protected class ArgHandlerClassName extends ArgHandlerExtra {

	@Override
	public boolean addExtraArg(String arg) {
	if (fullInterfaceName != null) {
	System.err.println("Too many arguments.");
	return false;
	}

	// Check className for certain properties
	if (!arg.matches("[\\w\\$]+(\\.[\\w\\$]+)+")) {
	System.err.println("'"
	+ arg
	+ "' does not appear to be a valid fully-qualified Java class name.");
	return false;
	}

	// Check out the class name.
	//
	if (arg.indexOf('$') != -1) {
	System.err.println("'" + arg
	+ "': This version of the tool does not support nested classes");
	return false;
	}

	String[] parts = arg.split("\\.");
	if (parts.length < 2) {
	System.err.println("'" + arg
	+ "': Cannot live in the root package. Please specify a package.");
	return false;
	}

	fullInterfaceName = arg;
	return true;
	}

	@Override
	public String getPurpose() {
	return "The fully qualified name of the interface to create";
	}

	@Override
	public String[] getTagArgs() {
	return new String[] {
	"interfaceName"
	};
	}

	@Override
	public boolean isRequired() {
	return true;
	}
	}

	private static final String PACKAGE_PATH;

	static {
	String path = I18NCreator.class.getName();
	path = path.substring(0, path.lastIndexOf('.') + 1);
	PACKAGE_PATH = path.replace('.', '/');
	}

	public static void main(String[] args) {
	I18NCreator creator = new I18NCreator();
	if (creator.processArgs(args)) {
	if (creator.run()) {
	return;
	}
	}

	System.exit(1);
	}

	/**
	* @param fullInterfaceName Name of the fully-qualified Java class to create
	* as an Application.
	* @param outDir Where to put the output files
	* @param eclipse The name of a project to attach a .launch config to
	* @param overwrite Overwrite an existing files if they exist.
	* @param ignore Ignore existing files if they exist.
	* @param interfaceToCreate the class instance to create - Constants,
	* ConstantsWithLookup, or Messages
	* @throws IOException
	*/
	static void createLocalizable(String fullInterfaceName, File outDir,
	String eclipse, boolean overwrite, boolean ignore,
	Class<? extends Localizable> interfaceToCreate) throws IOException {

	// Figure out the installation directory
	String installPath = Utility.getInstallPath();
	String gwtUserPath = installPath + '/' + "gwt-user.jar";
	String gwtDevPath = installPath + '/' + "gwt-dev.jar";

	// Figure out what platform we're on
	//
	boolean isWindows = System.getProperty("os.name").contains("Windows");

	// If the path from here to the install directory is relative, we need to
	// set specific "base" directory tags; this is for sample creation during
	// the
	// build.
	String basePathEnv;
	if (!new File(installPath).isAbsolute()) {
	if (isWindows) {
	basePathEnv = "%~dp0\\";
	} else {
	basePathEnv = "$APPDIR/";
	}
	} else {
	basePathEnv = "";
	}

	// Check out the class and package names.
	//
	int pos = fullInterfaceName.lastIndexOf('.');
	String clientPackageName = fullInterfaceName.substring(0, pos);
	String interfaceName = fullInterfaceName.substring(pos + 1);

	// Compute module name and directories
	//
	pos = clientPackageName.lastIndexOf('.');
	File clientDir = Utility.getDirectory(outDir, "src", true);
	if (pos >= 0) {
	String clientPackage = clientPackageName.replace('.', '/');
	clientDir = Utility.getDirectory(clientDir, clientPackage, true);
	}

	// Create a map of replacements
	//
	Map<String, String> replacements = new HashMap<String, String>();
	replacements.put("@className", fullInterfaceName);
	replacements.put("@shortClassName", interfaceName);
	replacements.put("@gwtUserPath", basePathEnv + gwtUserPath);
	replacements.put("@gwtDevPath", basePathEnv + gwtDevPath);
	replacements.put("@compileClass", "com.google.gwt.dev.GWTCompiler");
	replacements.put("@i18nClass", "com.google.gwt.i18n.tools.I18NSync");

	// Add command line arguments to create
	// Messages/Constants/ConstantsWithLookup code.
	String templateData = null;

	if (Messages.class == interfaceToCreate) {
	replacements.put("@createMessages", "-createMessages");
	templateData = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "i18nMessages.propertiessrc");
	} else {
	if (ConstantsWithLookup.class == interfaceToCreate) {
	replacements.put("@createMessages", "-createConstantsWithLookup");
	} else if (Constants.class == interfaceToCreate) {
	replacements.put("@createMessages", "");
	} else {
	throw new RuntimeException(
	"Internal Error: Unable to create i18n class derived from "
	+ interfaceToCreate.getName());
	}
	// This same template works for both Constants and ConstantsWithLookup
	// classes
	templateData = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "i18nConstants.propertiessrc");
	}

	// Populate the file from the template
	File i18nPropertiesFile = Utility.createNormalFile(clientDir, interfaceName
	+ ".properties", overwrite, ignore);
	if (i18nPropertiesFile != null && templateData != null) {
	Utility.writeTemplateFile(i18nPropertiesFile, templateData, replacements);
	}

	if (eclipse != null) {
	// Create an eclipse localizable creator launch config
	replacements.put("@projectName", eclipse);
	File updateLaunchConfig = Utility.createNormalFile(outDir, interfaceName
	+ "-i18n" + ".launch", overwrite, ignore);
	if (updateLaunchConfig != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "I18N-update.launchsrc");
	Utility.writeTemplateFile(updateLaunchConfig, out, replacements);
	}
	}

	// create startup files
	String extension;
	if (isWindows) {
	extension = ".cmd";
	} else {
	extension = "";
	}
	File gwti18n = Utility.createNormalFile(outDir, interfaceName + "-i18n"
	+ extension, overwrite, ignore);
	if (gwti18n != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwti18n"
	+ extension + "src");
	Utility.writeTemplateFile(gwti18n, out, replacements);
	if (extension.length() == 0) {
	Runtime.getRuntime().exec("chmod u+x " + gwti18n.getAbsolutePath());
	}
	}
	}

	private ArgHandlerValueChooser chooser;
	private String eclipse = null;
	private String fullInterfaceName = null;
	private boolean ignore = false;
	private File outDir;
	private boolean overwrite = false;

	protected I18NCreator() {

	registerHandler(new ArgHandlerEclipse() {

	@Override
	public boolean setString(String str) {
	eclipse = str;
	return true;
	}
	});

	registerHandler(new ArgHandlerOutDir() {

	@Override
	public void setDir(File dir) {
	outDir = dir;
	}
	});

	registerHandler(new ArgHandlerOverwrite() {

	@Override
	public boolean setFlag(boolean value) {
	if (value && ignore) {
	System.err.println("-overwrite cannot be used with -ignore.");
	return false;
	}
	overwrite = value;
	return true;
	}

	@Override
	public boolean getDefaultValue() {
	return overwrite;
	}
	});
	chooser = new ArgHandlerValueChooser();
	registerHandler(chooser.getConstantsWithLookupArgHandler());
	registerHandler(chooser.getMessagesArgHandler());

	registerHandler(new ArgHandlerIgnore() {

	@Override
	public boolean setFlag(boolean value) {
	if (value && overwrite) {
	System.err.println("-ignore cannot be used with -overwrite.");
	return false;
	}
	ignore = value;
	return true;
	}

	@Override
	public boolean getDefaultValue() {
	return ignore;
	}
	});

	registerHandler(new ArgHandlerClassName());
	}

	protected boolean run() {
	try {
	createLocalizable(fullInterfaceName, outDir, eclipse, overwrite, ignore,
	chooser.getArgValue());
	return true;
	} catch (IOException e) {
	System.err.println(e.getClass().getName() + ": " + e.getMessage());
	return false;
	}
	}
	}