From 95ba2370bec1d2cc370c1938cb63e47df9bddf0b Mon Sep 17 00:00:00 2001 From: Peter Reilly Date: Sun, 24 Dec 2006 23:15:22 +0000 Subject: [PATCH] eol-style git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@490085 13f79535-47bb-0310-9956-ffa450edef68 --- .../tools/ant/util/ScriptFixBSFPath.java | 292 +++++++++--------- 1 file changed, 146 insertions(+), 146 deletions(-) diff --git a/src/main/org/apache/tools/ant/util/ScriptFixBSFPath.java b/src/main/org/apache/tools/ant/util/ScriptFixBSFPath.java index bf974c15d..9bf9a605f 100644 --- a/src/main/org/apache/tools/ant/util/ScriptFixBSFPath.java +++ b/src/main/org/apache/tools/ant/util/ScriptFixBSFPath.java @@ -1,146 +1,146 @@ -/* - * 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.tools.ant.util; - -import org.apache.tools.ant.AntClassLoader; -import org.apache.tools.ant.BuildException; -import java.io.File; -import java.util.Map; -import java.util.HashMap; - - -/** - * A class to modify a classloader to - * support BSF language support. - */ -public class ScriptFixBSFPath { - private static final String UTIL_OPTIONAL_PACKAGE - = "org.apache.tools.ant.util.optional"; - - private static final String BSF_PACKAGE = "org.apache.bsf"; - private static final String BSF_MANAGER = BSF_PACKAGE + ".BSFManager"; - private static final String BSF_SCRIPT_RUNNER - = UTIL_OPTIONAL_PACKAGE + ".ScriptRunner"; - - /** - * The following are languages that have - * scripting engines embedded in bsf.jar. - * The array is converted to a map of - * languagename->classname. - */ - private static final String[] BSF_LANGUAGES = - new String[] { - "js", "org.mozilla.javascript.Scriptable", - "javascript", "org.mozilla.javascript.Scriptable", - "jacl", "tcl.lang.Interp", - "netrexx", "netrexx.lang.Rexx", - "nrx", "netrexx.lang.Rexx", - "jython", "org.python.core.Py", - "py", "org.python.core.Py", - "xslt", "org.apache.xpath.objects.XObject"}; - - /** A map of languages for which the engine in located in bsf */ - private static final Map BSF_LANGUAGE_MAP = new HashMap(); - static { - for (int i = 0; i < BSF_LANGUAGES.length; i = i + 2) { - BSF_LANGUAGE_MAP.put(BSF_LANGUAGES[i], BSF_LANGUAGES[i + 1]); - } - } - - private File getClassSource(ClassLoader loader, String className) { - return LoaderUtils.getResourceSource( - loader, - LoaderUtils.classNameToResource(className)); - } - - private File getClassSource(String className) { - return getClassSource(getClass().getClassLoader(), className); - } - - /** - * Check if need to mess about with the classloader. - * The class loader will need to be modified for two - * reasons: - *
    - *
  1. language is at a higher level than bsf for engines in bsf, - * move bsf. - *
    2. - *
  2. bsf is at a higher level than oata.util.optional.ScriptRunner - *
    3. - *
- * - * Assume a simple model for the loader: - * thisloader<-customloader - * or - * thisloader - * - * @param loader the classloader to fix. - * @param language the language to use. - */ - public void fixClassLoader(ClassLoader loader, String language) { - if (loader == getClass().getClassLoader() - || !(loader instanceof AntClassLoader)) { - return; - } - ClassLoader myLoader = getClass().getClassLoader(); - AntClassLoader fixLoader = (AntClassLoader) loader; - - // Check for location of bsf in this classloader - File bsfSource = getClassSource(BSF_MANAGER); - - // If bsf is not in the classloader for this, need to move - // runner. - boolean needMoveRunner = (bsfSource == null); - - // Check for location of language - String languageClassName = (String) BSF_LANGUAGE_MAP.get(language); - - // Check if need to need to move bsf - boolean needMoveBsf = - bsfSource != null - && languageClassName != null - && !LoaderUtils.classExists(myLoader, languageClassName) - && LoaderUtils.classExists(loader, languageClassName); - - // Update need to move runner - needMoveRunner = needMoveRunner || needMoveBsf; - - // Check if bsf in place - if (bsfSource == null) { - bsfSource = getClassSource(loader, BSF_MANAGER); - } - - if (bsfSource == null) { - throw new BuildException( - "Unable to find BSF classes for scripting"); - } - - if (needMoveBsf) { - fixLoader.addPathComponent(bsfSource); - fixLoader.addLoaderPackageRoot(BSF_PACKAGE); - } - - if (needMoveRunner) { - fixLoader.addPathComponent( - LoaderUtils.getResourceSource( - fixLoader, - LoaderUtils.classNameToResource(BSF_SCRIPT_RUNNER))); - fixLoader.addLoaderPackageRoot(UTIL_OPTIONAL_PACKAGE); - } - } -} +/* + * 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.tools.ant.util; + +import org.apache.tools.ant.AntClassLoader; +import org.apache.tools.ant.BuildException; +import java.io.File; +import java.util.Map; +import java.util.HashMap; + + +/** + * A class to modify a classloader to + * support BSF language support. + */ +public class ScriptFixBSFPath { + private static final String UTIL_OPTIONAL_PACKAGE + = "org.apache.tools.ant.util.optional"; + + private static final String BSF_PACKAGE = "org.apache.bsf"; + private static final String BSF_MANAGER = BSF_PACKAGE + ".BSFManager"; + private static final String BSF_SCRIPT_RUNNER + = UTIL_OPTIONAL_PACKAGE + ".ScriptRunner"; + + /** + * The following are languages that have + * scripting engines embedded in bsf.jar. + * The array is converted to a map of + * languagename->classname. + */ + private static final String[] BSF_LANGUAGES = + new String[] { + "js", "org.mozilla.javascript.Scriptable", + "javascript", "org.mozilla.javascript.Scriptable", + "jacl", "tcl.lang.Interp", + "netrexx", "netrexx.lang.Rexx", + "nrx", "netrexx.lang.Rexx", + "jython", "org.python.core.Py", + "py", "org.python.core.Py", + "xslt", "org.apache.xpath.objects.XObject"}; + + /** A map of languages for which the engine in located in bsf */ + private static final Map BSF_LANGUAGE_MAP = new HashMap(); + static { + for (int i = 0; i < BSF_LANGUAGES.length; i = i + 2) { + BSF_LANGUAGE_MAP.put(BSF_LANGUAGES[i], BSF_LANGUAGES[i + 1]); + } + } + + private File getClassSource(ClassLoader loader, String className) { + return LoaderUtils.getResourceSource( + loader, + LoaderUtils.classNameToResource(className)); + } + + private File getClassSource(String className) { + return getClassSource(getClass().getClassLoader(), className); + } + + /** + * Check if need to mess about with the classloader. + * The class loader will need to be modified for two + * reasons: + *
    + *
  1. language is at a higher level than bsf for engines in bsf, + * move bsf. + *
    2. + *
  2. bsf is at a higher level than oata.util.optional.ScriptRunner + *
    3. + *
+ * + * Assume a simple model for the loader: + * thisloader<-customloader + * or + * thisloader + * + * @param loader the classloader to fix. + * @param language the language to use. + */ + public void fixClassLoader(ClassLoader loader, String language) { + if (loader == getClass().getClassLoader() + || !(loader instanceof AntClassLoader)) { + return; + } + ClassLoader myLoader = getClass().getClassLoader(); + AntClassLoader fixLoader = (AntClassLoader) loader; + + // Check for location of bsf in this classloader + File bsfSource = getClassSource(BSF_MANAGER); + + // If bsf is not in the classloader for this, need to move + // runner. + boolean needMoveRunner = (bsfSource == null); + + // Check for location of language + String languageClassName = (String) BSF_LANGUAGE_MAP.get(language); + + // Check if need to need to move bsf + boolean needMoveBsf = + bsfSource != null + && languageClassName != null + && !LoaderUtils.classExists(myLoader, languageClassName) + && LoaderUtils.classExists(loader, languageClassName); + + // Update need to move runner + needMoveRunner = needMoveRunner || needMoveBsf; + + // Check if bsf in place + if (bsfSource == null) { + bsfSource = getClassSource(loader, BSF_MANAGER); + } + + if (bsfSource == null) { + throw new BuildException( + "Unable to find BSF classes for scripting"); + } + + if (needMoveBsf) { + fixLoader.addPathComponent(bsfSource); + fixLoader.addLoaderPackageRoot(BSF_PACKAGE); + } + + if (needMoveRunner) { + fixLoader.addPathComponent( + LoaderUtils.getResourceSource( + fixLoader, + LoaderUtils.classNameToResource(BSF_SCRIPT_RUNNER))); + fixLoader.addLoaderPackageRoot(UTIL_OPTIONAL_PACKAGE); + } + } +}