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Diffstat (limited to 'sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/Scagen.java')
| -rw-r--r-- | sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/Scagen.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/Scagen.java b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/Scagen.java new file mode 100644 index 0000000000..19e983c6b1 --- /dev/null +++ b/sca-cpp/tags/cpp-1.0-incubating-M2-final/sca/tools/scagen/src/org/apache/tuscany/sca/cpp/tools/services/Scagen.java @@ -0,0 +1,176 @@ +/** + * + * 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. + */ + +/* @version $Rev$ $Date$ */ + +package org.apache.tuscany.sca.cpp.tools.services; + +import java.io.File; +import java.util.Arrays; +import java.util.HashSet; +import java.util.Set; + +import org.apache.tuscany.sca.cpp.tools.common.CParsingTool; +import org.apache.tuscany.sca.cpp.tools.common.Options; +import org.apache.tuscany.sca.cpp.tools.common.Utils; + +/** + * This is the main top level class. Its purpose is to create a + * Composite/FragmentFile handler visitor and pass it to a DirectoryScanner for + * processing. + */ +public class Scagen extends CParsingTool { + + public static Set COMPOSITE_EXTENSIONS = new HashSet(Arrays + .asList(new Object[] { "composite", "fragment" })); + + /** + * @throws Exception + * + */ + public Scagen(String[] args) throws Exception { + super(args); + } + + /** + * Take a directory scanning class and create a vistor that knows how to + * handle any .composite or .fragment that the scanner comes across. + * + * @param args + * standard main args. THe values we expect in this class are + * scagen -dir input_dir -output output_dir + * + */ + public static void main(String[] args) { + boolean failed = false; + try { + Scagen env = new Scagen(args); + CompositeOrFragmentFileHandler composite_handler = new CompositeOrFragmentFileHandler(); + + // Check and access the input SCA composite directory + String name = (String) Options.getOption("-dir"); + if (null == name) { + Utils + .screenMessage("Please provide a SCA composite directory name as a \"-dir\" option."); + env.printUsage(); + System.exit(-1); + } + File source = new File(name); + if (!source.isFile() && !source.isDirectory()) { + Utils + .screenMessage("The SCA composite directory provided as the \"-dir\" option cannot be accessed,"); + Utils.screenMessage("the option given was: " + source); + env.printUsage(); + System.exit(-1); + } + + String deployDir = null; + try { + deployDir = (String) Options.getOption("-deploy"); + if (null != deployDir || Options.deploy()) { + Utils.setReportArtefacts(true); + } + } catch (Exception e) { + // let it default to null + } + + Utils.postEvent(Utils.DEPLOYMENT_INPUT_DIRECTORY, source + .getAbsolutePath()); + + // We check the -output option here as we wish to + // reuse the env.maybeCreateDirectory method + // unchanged from the original that went into axis and it will do a + // System.exit if there is no matching Option + String outputDirName = (String) Options.getOption("-output"); + if (null == outputDirName) { + Utils + .screenMessage("Please provide an output directory name for the generated files as a \"-output\" option."); + env.printUsage(); + System.exit(-1); + } + + File outputDir = new File(outputDirName); + + // Check we can create the output directory + if (outputDir == null || !outputDir.exists() && !outputDir.mkdir()) { + Utils.screenMessage("Failed to create output directory: " + + outputDirName); + env.printUsage(); + System.exit(-1); + } + + Utils.postEvent(Utils.DEPLOYMENT_OUTPUT_DIRECTORY, outputDir + .getAbsolutePath()); + + DirectoryScanner scanner = new DirectoryScanner(composite_handler, + COMPOSITE_EXTENSIONS); + scanner.walkTree(source, outputDir, 1); + + if (0 == composite_handler.getFilesActedOn()) { + Utils + .screenMessage("No SCA composite or fragment files were found in: " + + source); + } + + failed = composite_handler.failed; + + } catch (Exception exception) { + Utils + .screenMessage("Unexpected error occurred while runnning the Scagen tool. The Java exception is below."); + exception.printStackTrace(); + failed = true; + } + + if (failed) { + Utils + .outputDebugString("Finished! (but encountered problems parsing composites)"); + System.exit(-2); + } + + Utils.outputDebugString("Finished!"); + } + + /** + * Provide a hint to the user on how to call this class + */ + protected void printUsage() { + System.out + .println("usage: Java Scagen -dir <input_directory> -output <output_directory> [-verbose] [-deploy <deploy_dir>] [-nogenerate] [-outputCommand] [-command <copy_cmd>]"); + System.out + .println(" -dir <input_directory>: the SCA composite root directory"); + System.out + .println(" -output <output_directory>: a directory to put the generated output into"); + System.out.println(" [-verbose]: report on what scagen is doing"); + System.out + .println(" [-deploy <deploy_dir>]: output text to help in deploying the composite's artefacts"); + System.out + .println(" [-command <copy_cmd>]: a string that is injected into the deploy text"); + System.out + .println(" [-list]: change the deploy output text to a simple list of artefacts"); + System.out + .println(" [-outputCommand]: change the deploy output text to command text format"); + System.out + .println(" output is of form \"copy_cmd <dir>file1 <deploy_dir>file1\""); + System.out + .println(" [-nogenerate]: do not generate proxies and wrappers"); + + } + +}
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