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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java new file mode 100644 index 00000000..2108a68b --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java @@ -0,0 +1,104 @@ +/* + * 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.taskdefs.rmic; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.Project; +import org.apache.tools.ant.taskdefs.ExecuteJava; +import org.apache.tools.ant.types.Commandline; + +/** + * The implementation of the rmic for Kaffe + * + * @since Ant 1.4 + */ +public class KaffeRmic extends DefaultRmicAdapter { + // sorted by newest Kaffe version first + private static final String[] RMIC_CLASSNAMES = new String[] { + "gnu.classpath.tools.rmi.rmic.RMIC", + // pre Kaffe 1.1.5 + "gnu.java.rmi.rmic.RMIC", + // pre Kaffe 1.1.2 + "kaffe.rmi.rmic.RMIC", + }; + + /** + * the name of this adapter for users to select + */ + public static final String COMPILER_NAME = "kaffe"; + + /** {@inheritDoc} */ + public boolean execute() throws BuildException { + getRmic().log("Using Kaffe rmic", Project.MSG_VERBOSE); + Commandline cmd = setupRmicCommand(); + + Class c = getRmicClass(); + if (c == null) { + StringBuffer buf = new StringBuffer("Cannot use Kaffe rmic, as it" + + " is not available. None" + + " of "); + for (int i = 0; i < RMIC_CLASSNAMES.length; i++) { + if (i != 0) { + buf.append(", "); + } + + buf.append(RMIC_CLASSNAMES[i]); + } + buf.append(" have been found. A common solution is to set the" + + " environment variable JAVA_HOME or CLASSPATH."); + throw new BuildException(buf.toString(), + getRmic().getLocation()); + } + + cmd.setExecutable(c.getName()); + if (!c.getName().equals(RMIC_CLASSNAMES[RMIC_CLASSNAMES.length - 1])) { + // only supported since Kaffe 1.1.2 + cmd.createArgument().setValue("-verbose"); + getRmic().log(Commandline.describeCommand(cmd)); + } + ExecuteJava ej = new ExecuteJava(); + ej.setJavaCommand(cmd); + return ej.fork(getRmic()) == 0; + } + + /** + * test for kaffe being on the system + * @return true if kaffe is on the current classpath + */ + public static boolean isAvailable() { + return getRmicClass() != null; + } + + /** + * tries to load Kaffe RMIC and falls back to the older class name + * if necessary. + * + * @return null if neither class can get loaded. + */ + private static Class getRmicClass() { + for (int i = 0; i < RMIC_CLASSNAMES.length; i++) { + try { + return Class.forName(RMIC_CLASSNAMES[i]); + } catch (ClassNotFoundException cnfe) { + // Ignore + } + } + return null; + } +} |