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

 /*
  * Copyright 2006 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.user.tools;

 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;

 /**
  * Creates a GWT application.
  *
  */
 public final class ApplicationCreator extends ToolBase {

   /**
    * Arguments for the application creator.
    *
    */
   protected class ArgHandlerAppClass extends ArgHandlerExtra {

     public boolean addExtraArg(String arg) {
       if (fullClassName != 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 || !parts[parts.length - 2].equals("client")) {
         System.err.println("'"
             + arg
             + "': Please use 'client' as the final package, as in 'com.example.foo.client.MyApp'.\n"
             + "It isn't technically necessary, but this tool enforces the best practice.");
         return false;
       }

       fullClassName = arg;
       return true;
     }

     public String getPurpose() {
       return "The fully-qualified name of the application class to create";
     }

     public String[] getTagArgs() {
       return new String[] {"className"};
     }

     public boolean isRequired() {
       return true;
     }
   }

   private static final String PACKAGE_PATH;

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

   public static void main(String[] args) {
     ApplicationCreator creator = new ApplicationCreator();
     if (creator.processArgs(args)) {
       if (creator.run()) {
         return;
       }
     }
     System.exit(1);
   }

   /**
    * @param fullClassName 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.
    * @throws IOException
    */
   static void createApplication(String fullClassName, File outDir,
       String eclipse, boolean overwrite, boolean ignore) throws IOException {

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

     // Figure out what platform we're on
     //
     boolean isWindows = gwtDevPath.substring(gwtDevPath.lastIndexOf('/') + 1).indexOf(
         "windows") >= 0;
     boolean isMacOsX = gwtDevPath.substring(gwtDevPath.lastIndexOf('/') + 1).indexOf(
         "mac") >= 0;

     // If the path from here to the install directory is relative, we need to
     // set specific "base" directory tags; this is for sample generation 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 = fullClassName.lastIndexOf('.');
     String clientPackageName = fullClassName.substring(0, pos);
     String className = fullClassName.substring(pos + 1);

     // Compute module name and directories
     //
     pos = clientPackageName.lastIndexOf('.');
     File basePackageDir;
     String moduleName;
     File javaDir = Utility.getDirectory(outDir, "src", true);
     if (pos >= 0) {
       String basePackage = clientPackageName.substring(0, pos);
       moduleName = basePackage + "." + className;
       basePackage = basePackage.replace('.', '/');
       basePackageDir = Utility.getDirectory(javaDir, basePackage, true);
     } else {
       moduleName = className;
       basePackageDir = javaDir;
     }
     File clientDir = Utility.getDirectory(basePackageDir, "client", true);
     File publicDir = Utility.getDirectory(basePackageDir, "public", true);
     String startupUrl = moduleName + "/" + className + ".html";

     // Create a map of replacements
     //
     Map replacements = new HashMap();
     replacements.put("@className", className);
     replacements.put("@moduleName", moduleName);
     replacements.put("@clientPackage", clientPackageName);
     replacements.put("@gwtUserPath", basePathEnv + gwtUserPath);
     replacements.put("@gwtDevPath", basePathEnv + gwtDevPath);
     replacements.put("@shellClass", "com.google.gwt.dev.GWTShell");
     replacements.put("@compileClass", "com.google.gwt.dev.GWTCompiler");
     replacements.put("@startupUrl", startupUrl);
     replacements.put("@vmargs", isMacOsX ? "-XstartOnFirstThread" : "");

     {
       // Create the module
       File moduleXML = Utility.createNormalFile(basePackageDir, className
           + ".gwt.xml", overwrite, ignore);
       if (moduleXML != null) {
         String out = Utility.getFileFromClassPath(PACKAGE_PATH
             + "Module.gwt.xmlsrc");
         Utility.writeTemplateFile(moduleXML, out, replacements);
       }
     }

     {
       // Create a skeleton html file
       File publicHTML = Utility.createNormalFile(publicDir,
           className + ".html", overwrite, ignore);
       if (publicHTML != null) {
         String out = Utility.getFileFromClassPath(PACKAGE_PATH
             + "AppHtml.htmlsrc");
         Utility.writeTemplateFile(publicHTML, out, replacements);
       }
     }

     {
       // Create a skeleton Application class
       File javaClass = Utility.createNormalFile(clientDir, className + ".java",
           overwrite, ignore);
       if (javaClass != null) {
         String out = Utility.getFileFromClassPath(PACKAGE_PATH
             + "AppClassTemplate.javasrc");
         Utility.writeTemplateFile(javaClass, out, replacements);
       }
     }

     if (eclipse != null) {
       // Create an eclipse launch config
       replacements.put("@projectName", eclipse);
       File launchConfig = Utility.createNormalFile(outDir, className
           + ".launch", overwrite, ignore);
       if (launchConfig != null) {
         String out = Utility.getFileFromClassPath(PACKAGE_PATH
             + "App.launchsrc");
         Utility.writeTemplateFile(launchConfig, out, replacements);
       }
     }

     // create startup files
     String extension;
     if (isWindows) {
       extension = ".cmd";
     } else {
       extension = "";
     }

     File gwtshell = Utility.createNormalFile(outDir, className + "-shell"
         + extension, overwrite, ignore);
     if (gwtshell != null) {
       String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwtshell"
           + extension + "src");
       Utility.writeTemplateFile(gwtshell, out, replacements);
       if (extension.length() == 0) {
         Runtime.getRuntime().exec("chmod u+x " + gwtshell.getAbsolutePath());
       }
     }

     File gwtcompile = Utility.createNormalFile(outDir, className + "-compile"
         + extension, overwrite, ignore);
     if (gwtcompile != null) {
       String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwtcompile"
           + extension + "src");
       Utility.writeTemplateFile(gwtcompile, out, replacements);
       if (extension.length() == 0) {
         Runtime.getRuntime().exec("chmod u+x " + gwtcompile.getAbsolutePath());
       }
     }
   }

   private String eclipse = null;

   private String fullClassName = null;

   private boolean ignore = false;
   private File outDir;
   private boolean overwrite = false;

   protected ApplicationCreator() {

     registerHandler(new ArgHandlerEclipse() {
       public String getPurpose() {
         return "Creates a debug launch config for the named eclipse project";
       }

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

     registerHandler(new ArgHandlerOutDir() {
       public void setDir(File dir) {
         outDir = dir;
       }
     });

     registerHandler(new ArgHandlerOverwrite() {
       public boolean setFlag() {
         if (ignore) {
           System.err.println("-overwrite cannot be used with -ignore");
           return false;
         }
         overwrite = true;
         return true;
       }
     });

     registerHandler(new ArgHandlerIgnore() {
       public boolean setFlag() {
         if (overwrite) {
           System.err.println("-ignore cannot be used with -overwrite");
           return false;
         }
         ignore = true;
         return true;
       }
     });

     registerHandler(new ArgHandlerAppClass());
   }

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

 }
	/*
	* Copyright 2006 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.user.tools;

	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;

	/**
	* Creates a GWT application.
	*
	*/
	public final class ApplicationCreator extends ToolBase {

	/**
	* Arguments for the application creator.
	*
	*/
	protected class ArgHandlerAppClass extends ArgHandlerExtra {

	public boolean addExtraArg(String arg) {
	if (fullClassName != 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 \|\| !parts[parts.length - 2].equals("client")) {
	System.err.println("'"
	+ arg
	+ "': Please use 'client' as the final package, as in 'com.example.foo.client.MyApp'.\n"
	+ "It isn't technically necessary, but this tool enforces the best practice.");
	return false;
	}

	fullClassName = arg;
	return true;
	}

	public String getPurpose() {
	return "The fully-qualified name of the application class to create";
	}

	public String[] getTagArgs() {
	return new String[] {"className"};
	}

	public boolean isRequired() {
	return true;
	}
	}

	private static final String PACKAGE_PATH;

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

	public static void main(String[] args) {
	ApplicationCreator creator = new ApplicationCreator();
	if (creator.processArgs(args)) {
	if (creator.run()) {
	return;
	}
	}
	System.exit(1);
	}

	/**
	* @param fullClassName 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.
	* @throws IOException
	*/
	static void createApplication(String fullClassName, File outDir,
	String eclipse, boolean overwrite, boolean ignore) throws IOException {

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

	// Figure out what platform we're on
	//
	boolean isWindows = gwtDevPath.substring(gwtDevPath.lastIndexOf('/') + 1).indexOf(
	"windows") >= 0;
	boolean isMacOsX = gwtDevPath.substring(gwtDevPath.lastIndexOf('/') + 1).indexOf(
	"mac") >= 0;

	// If the path from here to the install directory is relative, we need to
	// set specific "base" directory tags; this is for sample generation 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 = fullClassName.lastIndexOf('.');
	String clientPackageName = fullClassName.substring(0, pos);
	String className = fullClassName.substring(pos + 1);

	// Compute module name and directories
	//
	pos = clientPackageName.lastIndexOf('.');
	File basePackageDir;
	String moduleName;
	File javaDir = Utility.getDirectory(outDir, "src", true);
	if (pos >= 0) {
	String basePackage = clientPackageName.substring(0, pos);
	moduleName = basePackage + "." + className;
	basePackage = basePackage.replace('.', '/');
	basePackageDir = Utility.getDirectory(javaDir, basePackage, true);
	} else {
	moduleName = className;
	basePackageDir = javaDir;
	}
	File clientDir = Utility.getDirectory(basePackageDir, "client", true);
	File publicDir = Utility.getDirectory(basePackageDir, "public", true);
	String startupUrl = moduleName + "/" + className + ".html";

	// Create a map of replacements
	//
	Map replacements = new HashMap();
	replacements.put("@className", className);
	replacements.put("@moduleName", moduleName);
	replacements.put("@clientPackage", clientPackageName);
	replacements.put("@gwtUserPath", basePathEnv + gwtUserPath);
	replacements.put("@gwtDevPath", basePathEnv + gwtDevPath);
	replacements.put("@shellClass", "com.google.gwt.dev.GWTShell");
	replacements.put("@compileClass", "com.google.gwt.dev.GWTCompiler");
	replacements.put("@startupUrl", startupUrl);
	replacements.put("@vmargs", isMacOsX ? "-XstartOnFirstThread" : "");

	{
	// Create the module
	File moduleXML = Utility.createNormalFile(basePackageDir, className
	+ ".gwt.xml", overwrite, ignore);
	if (moduleXML != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "Module.gwt.xmlsrc");
	Utility.writeTemplateFile(moduleXML, out, replacements);
	}
	}

	{
	// Create a skeleton html file
	File publicHTML = Utility.createNormalFile(publicDir,
	className + ".html", overwrite, ignore);
	if (publicHTML != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "AppHtml.htmlsrc");
	Utility.writeTemplateFile(publicHTML, out, replacements);
	}
	}

	{
	// Create a skeleton Application class
	File javaClass = Utility.createNormalFile(clientDir, className + ".java",
	overwrite, ignore);
	if (javaClass != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "AppClassTemplate.javasrc");
	Utility.writeTemplateFile(javaClass, out, replacements);
	}
	}

	if (eclipse != null) {
	// Create an eclipse launch config
	replacements.put("@projectName", eclipse);
	File launchConfig = Utility.createNormalFile(outDir, className
	+ ".launch", overwrite, ignore);
	if (launchConfig != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH
	+ "App.launchsrc");
	Utility.writeTemplateFile(launchConfig, out, replacements);
	}
	}

	// create startup files
	String extension;
	if (isWindows) {
	extension = ".cmd";
	} else {
	extension = "";
	}

	File gwtshell = Utility.createNormalFile(outDir, className + "-shell"
	+ extension, overwrite, ignore);
	if (gwtshell != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwtshell"
	+ extension + "src");
	Utility.writeTemplateFile(gwtshell, out, replacements);
	if (extension.length() == 0) {
	Runtime.getRuntime().exec("chmod u+x " + gwtshell.getAbsolutePath());
	}
	}

	File gwtcompile = Utility.createNormalFile(outDir, className + "-compile"
	+ extension, overwrite, ignore);
	if (gwtcompile != null) {
	String out = Utility.getFileFromClassPath(PACKAGE_PATH + "gwtcompile"
	+ extension + "src");
	Utility.writeTemplateFile(gwtcompile, out, replacements);
	if (extension.length() == 0) {
	Runtime.getRuntime().exec("chmod u+x " + gwtcompile.getAbsolutePath());
	}
	}
	}

	private String eclipse = null;

	private String fullClassName = null;

	private boolean ignore = false;
	private File outDir;
	private boolean overwrite = false;

	protected ApplicationCreator() {

	registerHandler(new ArgHandlerEclipse() {
	public String getPurpose() {
	return "Creates a debug launch config for the named eclipse project";
	}

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

	registerHandler(new ArgHandlerOutDir() {
	public void setDir(File dir) {
	outDir = dir;
	}
	});

	registerHandler(new ArgHandlerOverwrite() {
	public boolean setFlag() {
	if (ignore) {
	System.err.println("-overwrite cannot be used with -ignore");
	return false;
	}
	overwrite = true;
	return true;
	}
	});

	registerHandler(new ArgHandlerIgnore() {
	public boolean setFlag() {
	if (overwrite) {
	System.err.println("-ignore cannot be used with -overwrite");
	return false;
	}
	ignore = true;
	return true;
	}
	});

	registerHandler(new ArgHandlerAppClass());
	}

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

	}