| /** |
| * 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.activemq.openwire; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import junit.framework.Assert; |
| |
| public abstract class DataFileGenerator extends Assert { |
| |
| static final File MODULE_BASE_DIR; |
| static final File CONTROL_DIR; |
| static final File CLASS_FILE_DIR; |
| |
| static { |
| MODULE_BASE_DIR = new File(System.getProperty("basedir", ".")); |
| CONTROL_DIR = new File(MODULE_BASE_DIR, "src/test/resources/openwire-control"); |
| CLASS_FILE_DIR = new File(MODULE_BASE_DIR, "src/test/java/org/apache/activemq/openwire"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| generateControlFiles(); |
| } |
| |
| /** |
| * @param srcdir |
| * @return |
| * @throws ClassNotFoundException |
| * @throws InstantiationException |
| * @throws IllegalAccessException |
| */ |
| public static ArrayList getAllDataFileGenerators() throws Exception { |
| // System.out.println("Looking for generators in : "+classFileDir); |
| ArrayList l = new ArrayList(); |
| File[] files = CLASS_FILE_DIR.listFiles(); |
| for (int i = 0; files != null && i < files.length; i++) { |
| File file = files[i]; |
| if (file.getName().endsWith("Data.java")) { |
| String cn = file.getName(); |
| cn = cn.substring(0, cn.length() - ".java".length()); |
| Class clazz = DataFileGenerator.class.getClassLoader().loadClass("org.apache.activemq.openwire." + cn); |
| l.add((DataFileGenerator)clazz.newInstance()); |
| } |
| } |
| return l; |
| } |
| |
| private static void generateControlFiles() throws Exception { |
| ArrayList generators = getAllDataFileGenerators(); |
| for (Iterator iter = generators.iterator(); iter.hasNext();) { |
| DataFileGenerator object = (DataFileGenerator)iter.next(); |
| try { |
| // System.out.println("Processing: "+object.getClass()); |
| object.generateControlFile(); |
| } catch (Exception e) { |
| // System.err.println("Error while processing: |
| // "+object.getClass() + ". Reason: " + e); |
| } |
| } |
| } |
| |
| public void generateControlFile() throws Exception { |
| CONTROL_DIR.mkdirs(); |
| File dataFile = new File(CONTROL_DIR, getClass().getName() + ".bin"); |
| |
| OpenWireFormat wf = new OpenWireFormat(); |
| wf.setCacheEnabled(false); |
| wf.setStackTraceEnabled(false); |
| wf.setVersion(1); |
| |
| FileOutputStream os = new FileOutputStream(dataFile); |
| DataOutputStream ds = new DataOutputStream(os); |
| wf.marshal(createObject(), ds); |
| ds.close(); |
| } |
| |
| public InputStream generateInputStream() throws Exception { |
| OpenWireFormat wf = new OpenWireFormat(); |
| wf.setCacheEnabled(false); |
| wf.setStackTraceEnabled(false); |
| wf.setVersion(1); |
| |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| DataOutputStream ds = new DataOutputStream(os); |
| wf.marshal(createObject(), ds); |
| ds.close(); |
| |
| return new ByteArrayInputStream(os.toByteArray()); |
| } |
| |
| public static void assertAllControlFileAreEqual() throws Exception { |
| ArrayList generators = getAllDataFileGenerators(); |
| for (Iterator iter = generators.iterator(); iter.hasNext();) { |
| DataFileGenerator object = (DataFileGenerator)iter.next(); |
| // System.out.println("Processing: "+object.getClass()); |
| object.assertControlFileIsEqual(); |
| } |
| } |
| |
| public void assertControlFileIsEqual() throws Exception { |
| File dataFile = new File(CONTROL_DIR, getClass().getName() + ".bin"); |
| FileInputStream is1 = new FileInputStream(dataFile); |
| int pos = 0; |
| try { |
| InputStream is2 = generateInputStream(); |
| int a = is1.read(); |
| int b = is2.read(); |
| pos++; |
| assertEquals("Data does not match control file: " + dataFile + " at byte position " + pos, a, b); |
| while (a >= 0 && b >= 0) { |
| a = is1.read(); |
| b = is2.read(); |
| pos++; |
| assertEquals(a, b); |
| } |
| is2.close(); |
| } finally { |
| is1.close(); |
| } |
| } |
| |
| protected abstract Object createObject() throws IOException; |
| } |