https://issues.apache.org/jira/browse/EXTSCRIPT-157 eliminating the scanner classloader
git-svn-id: https://svn.apache.org/repos/asf/myfaces/extensions/scripting/trunk@1302409 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/extscript-core-root/extscript-core/src/main/java/org/apache/myfaces/extensions/scripting/core/engine/dependencyScan/loaders/ScannerClassloader.java b/extscript-core-root/extscript-core/src/main/java/org/apache/myfaces/extensions/scripting/core/engine/dependencyScan/loaders/ScannerClassloader.java
deleted file mode 100644
index 0246ecb..0000000
--- a/extscript-core-root/extscript-core/src/main/java/org/apache/myfaces/extensions/scripting/core/engine/dependencyScan/loaders/ScannerClassloader.java
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * 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.myfaces.extensions.scripting.core.engine.dependencyScan.loaders;
-
-import org.apache.myfaces.extensions.scripting.core.common.util.ClassUtils;
-
-import java.io.*;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-/**
- * @author Werner Punz (latest modification by $Author$)
- * @version $Revision$ $Date$
- *
- * TODO replace it with the ThrowAwayLoader
- */
-@Deprecated
-public class ScannerClassloader extends ClassLoader
-{
-
- File _tempDir = null;
-
- Map<String, Class> _alreadyScanned = new HashMap<String, Class>();
-
- final Logger _logger = Logger.getLogger(ScannerClassloader.class.getName());
-
- public ScannerClassloader(ClassLoader classLoader, int scriptingEngine, String engineExtension, File tempDir)
- {
- super(classLoader);
-
- this._tempDir = tempDir;
- }
-
- @Override
- public InputStream getResourceAsStream(String name)
- {
- File resource = new File(_tempDir.getAbsolutePath() + File.separator + name);
- if (resource.exists())
- {
- try
- {
- return new FileInputStream(resource);
- }
- catch (FileNotFoundException e)
- {
- return super.getResourceAsStream(name);
- }
- }
- return super.getResourceAsStream(name);
- }
-
- public File getClassFile(String className)
- {
- return ClassUtils.classNameToFile(_tempDir.getAbsolutePath(), className);
- }
-
- @Override
- public Class<?> loadClass(String className) throws ClassNotFoundException
- {
- //check if our class exists in the tempDir
-
- if (_alreadyScanned.containsKey(className))
- {
- return _alreadyScanned.get(className);
- }
-
- File target = getClassFile(className);
- if (!target.exists())
- {
- return super.loadClass(className);
- }
-
- //ClassResource data = WeavingContext.getFileChangedDaemon().getClassMap().get(className);
- //if (data != null && !data.getRefreshAttribute().requiresRefresh()) {
- // return data.getAClass();
- //}
-
- FileInputStream iStream = null;
-
- int fileLength;
- byte[] fileContent;
- try
- {
- fileLength = (int) target.length();
- fileContent = new byte[fileLength];
- iStream = new FileInputStream(target);
- int len = iStream.read(fileContent);
- if (_logger.isLoggable(Level.FINER))
- {
- _logger.log(Level.FINER, "class read {0} bytes read", String.valueOf(len));
- }
- //we have to do it here because just in case
- //a dependent class is loaded as well we run into classcast exceptions
- Class retVal = super.defineClass(className, fileContent, 0, fileLength);
- _alreadyScanned.put(className, retVal);
- return retVal;
-
- }
- catch (FileNotFoundException e)
- {
- throw new ClassNotFoundException(e.toString());
- }
- catch (IOException e)
- {
- throw new ClassNotFoundException(e.toString());
- }
- finally
- {
- if (iStream != null)
- {
- try
- {
- iStream.close();
- }
- catch (Exception e)
- {
- _logger.log(Level.SEVERE, "", e);
- }
- }
- }
-
- }
-
-}
-
