ActiveMQ example source code file (DataStructureTestSupport.java)

This example ActiveMQ source code file (DataStructureTestSupport.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

assertionfailederror, assertionfailederror, class, command, illegalaccessexception, io, ioexception, method, not, not, object, object, openwireformat, reflection, util, wireformat, wireformat

The ActiveMQ DataStructureTestSupport.java source code

/**
 * 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.command;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.util.ByteSequence;
import org.apache.activemq.wireformat.WireFormat;

public abstract class DataStructureTestSupport extends CombinationTestSupport {
    public boolean cacheEnabled;
    public WireFormat wireFormat;

    public void assertBeanMarshalls(Object original) throws IOException {
        Object o = marshalAndUnmarshall(original, wireFormat);
        assertNotNull(o);
        assertEquals(original, o);
        // assertEquals(original.getClass(), o.getClass());
        //        
        // Method[] methods = original.getClass().getMethods();
        // for (int i = 0; i < methods.length; i++) {
        // Method method = methods[i];
        // if( ( method.getName().startsWith("get")
        // || method.getName().startsWith("is")
        // )
        // && method.getParameterTypes().length==0
        // && method.getReturnType()!=null
        // ) {
        // try {
        // Object expect = method.invoke(original, null);
        // Object was = method.invoke(o, null);
        // assertEquals(expect, was);
        // } catch (IllegalArgumentException e) {
        // } catch (IllegalAccessException e) {
        // } catch (InvocationTargetException e) {
        // }
        // }
        // }
    }

    public static void assertEquals(Object expect, Object was) {
        if (expect == null ^ was == null) {
            throw new AssertionFailedError("Not equals, expected: " + expect + ", was: " + was);
        }
        if (expect == null) {
            return;
        }
        if (expect.getClass() != was.getClass()) {
            throw new AssertionFailedError("Not equals, classes don't match. expected: " + expect.getClass() + ", was: " + was.getClass());
        }
        if (expect.getClass().isArray()) {
            Class componentType = expect.getClass().getComponentType();
            if (componentType.isPrimitive()) {
                boolean ok = false;
                if (componentType == byte.class) {
                    ok = Arrays.equals((byte[])expect, (byte[])was);
                }
                if (componentType == char.class) {
                    ok = Arrays.equals((char[])expect, (char[])was);
                }
                if (componentType == short.class) {
                    ok = Arrays.equals((short[])expect, (short[])was);
                }
                if (componentType == int.class) {
                    ok = Arrays.equals((int[])expect, (int[])was);
                }
                if (componentType == long.class) {
                    ok = Arrays.equals((long[])expect, (long[])was);
                }
                if (componentType == double.class) {
                    ok = Arrays.equals((double[])expect, (double[])was);
                }
                if (componentType == float.class) {
                    ok = Arrays.equals((float[])expect, (float[])was);
                }
                if (!ok) {
                    throw new AssertionFailedError("Arrays not equal");
                }
            } else {
                Object expectArray[] = (Object[])expect;
                Object wasArray[] = (Object[])was;
                if (expectArray.length != wasArray.length) {
                    throw new AssertionFailedError("Not equals, array lengths don't match. expected: " + expectArray.length + ", was: " + wasArray.length);
                }
                for (int i = 0; i < wasArray.length; i++) {
                    assertEquals(expectArray[i], wasArray[i]);
                }

            }
        } else if (expect instanceof Command) {
            assertEquals(expect.getClass(), was.getClass());
            Method[] methods = expect.getClass().getMethods();
            for (int i = 0; i < methods.length; i++) {
                Method method = methods[i];
                if ((method.getName().startsWith("get") || method.getName().startsWith("is")) && method.getParameterTypes().length == 0 && method.getReturnType() != null) {

                    // Check to see if there is a setter for the method.
                    try {
                        if (method.getName().startsWith("get")) {
                            expect.getClass().getMethod(method.getName().replaceFirst("get", "set"), new Class[] {method.getReturnType()});
                        } else {
                            expect.getClass().getMethod(method.getName().replaceFirst("is", "set"), new Class[] {method.getReturnType()});
                        }
                    } catch (Throwable ignore) {
                        continue;
                    }

                    try {
                        assertEquals(method.invoke(expect, (Object)null), method.invoke(was, (Object)null));
                    } catch (IllegalArgumentException e) {
                    } catch (IllegalAccessException e) {
                    } catch (InvocationTargetException e) {
                    }
                }
            }
        } else {
            TestCase.assertEquals(expect, was);
        }
    }

    protected void setUp() throws Exception {
        wireFormat = createWireFormat();
        super.setUp();
    }

    protected WireFormat createWireFormat() {
        OpenWireFormat answer = new OpenWireFormat();
        answer.setCacheEnabled(cacheEnabled);
        return answer;
    }

    protected Object marshalAndUnmarshall(Object original, WireFormat wireFormat) throws IOException {
        ByteSequence packet = wireFormat.marshal(original);
        return wireFormat.unmarshal(packet);
    }

}