| 1 | /*
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| 2 | * Copyright 2001-2002,2004 The Apache Software Foundation
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | *
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| 16 | */
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| 17 |
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| 18 | package org.apache.tools.ant.taskdefs.rmic;
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| 19 |
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| 20 | import org.apache.tools.ant.BuildException;
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| 21 | import org.apache.tools.ant.Task;
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| 22 |
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| 23 |
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| 24 | /**
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| 25 | * Creates the necessary rmic adapter, given basic criteria.
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| 26 | *
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| 27 | * @since 1.4
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| 28 | */
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| 29 | public class RmicAdapterFactory {
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| 30 |
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| 31 | /** This is a singleton -- can't create instances!! */
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| 32 | private RmicAdapterFactory() {
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| 33 | }
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| 34 |
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| 35 | /**
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| 36 | * Based on the parameter passed in, this method creates the necessary
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| 37 | * factory desired.
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| 38 | *
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| 39 | * <p>The current mapping for rmic names are as follows:</p>
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| 40 | * <ul><li>sun = SUN's rmic
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| 41 | * <li>kaffe = Kaffe's rmic
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| 42 | * <li><i>a fully quallified classname</i> = the name of a rmic
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| 43 | * adapter
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| 44 | * </ul>
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| 45 | *
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| 46 | * @param rmicType either the name of the desired rmic, or the
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| 47 | * full classname of the rmic's adapter.
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| 48 | * @param task a task to log through.
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| 49 | * @throws BuildException if the rmic type could not be resolved into
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| 50 | * a rmic adapter.
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| 51 | */
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| 52 | public static RmicAdapter getRmic(String rmicType, Task task)
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| 53 | throws BuildException {
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| 54 | if (rmicType.equalsIgnoreCase("sun")) {
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| 55 | return new SunRmic();
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| 56 | } else if (rmicType.equalsIgnoreCase("kaffe")) {
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| 57 | return new KaffeRmic();
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| 58 | } else if (rmicType.equalsIgnoreCase("weblogic")) {
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| 59 | return new WLRmic();
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| 60 | }
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| 61 | return resolveClassName(rmicType);
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| 62 | }
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| 63 |
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| 64 | /**
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| 65 | * Tries to resolve the given classname into a rmic adapter.
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| 66 | * Throws a fit if it can't.
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| 67 | *
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| 68 | * @param className The fully qualified classname to be created.
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| 69 | * @throws BuildException This is the fit that is thrown if className
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| 70 | * isn't an instance of RmicAdapter.
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| 71 | */
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| 72 | private static RmicAdapter resolveClassName(String className)
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| 73 | throws BuildException {
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| 74 | try {
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| 75 | Class c = Class.forName(className);
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| 76 | Object o = c.newInstance();
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| 77 | return (RmicAdapter) o;
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| 78 | } catch (ClassNotFoundException cnfe) {
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| 79 | throw new BuildException(className + " can\'t be found.", cnfe);
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| 80 | } catch (ClassCastException cce) {
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| 81 | throw new BuildException(className + " isn\'t the classname of "
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| 82 | + "a rmic adapter.", cce);
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| 83 | } catch (Throwable t) {
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| 84 | // for all other possibilities
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| 85 | throw new BuildException(className + " caused an interesting "
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| 86 | + "exception.", t);
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| 87 | }
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| 88 | }
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| 89 | }
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