| /* |
| * 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.optional.extension; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.types.DataType; |
| import org.apache.tools.ant.types.FileSet; |
| import org.apache.tools.ant.types.Reference; |
| |
| /** |
| * The Extension set lists a set of "Optional Packages" / |
| * "Extensions". |
| * |
| * @ant.datatype name="extension-set" |
| */ |
| public class ExtensionSet |
| extends DataType { |
| /** |
| * ExtensionAdapter objects representing extensions. |
| */ |
| private final ArrayList extensions = new ArrayList(); |
| |
| /** |
| * Filesets specifying all the extensions wanted. |
| */ |
| private final ArrayList extensionsFilesets = new ArrayList(); |
| |
| /** |
| * Adds an extension that this library requires. |
| * |
| * @param extensionAdapter an extension that this library requires. |
| */ |
| public void addExtension(final ExtensionAdapter extensionAdapter) { |
| extensions.add(extensionAdapter); |
| } |
| |
| /** |
| * Adds a set of files about which extensions data will be extracted. |
| * |
| * @param fileSet a set of files about which extensions data will be extracted. |
| */ |
| public void addLibfileset(final LibFileSet fileSet) { |
| extensionsFilesets.add(fileSet); |
| } |
| |
| /** |
| * Adds a set of files about which extensions data will be extracted. |
| * |
| * @param fileSet a set of files about which extensions data will be extracted. |
| */ |
| public void addFileset(final FileSet fileSet) { |
| extensionsFilesets.add(fileSet); |
| } |
| |
| /** |
| * Extract a set of Extension objects from the ExtensionSet. |
| * |
| * @param proj the project instance. |
| * @return an array containing the Extensions from this set |
| * @throws BuildException if an error occurs |
| */ |
| public Extension[] toExtensions(final Project proj) |
| throws BuildException { |
| final ArrayList extensionsList = ExtensionUtil.toExtensions(extensions); |
| ExtensionUtil.extractExtensions(proj, extensionsList, extensionsFilesets); |
| return (Extension[]) extensionsList.toArray(new Extension[extensionsList.size()]); |
| } |
| |
| /** |
| * Makes this instance in effect a reference to another ExtensionSet |
| * instance. |
| * |
| * <p>You must not set another attribute or nest elements inside |
| * this element if you make it a reference.</p> |
| * |
| * @param reference the reference to which this instance is associated |
| * @exception BuildException if this instance already has been configured. |
| */ |
| public void setRefid(final Reference reference) |
| throws BuildException { |
| if (!extensions.isEmpty() || !extensionsFilesets.isEmpty()) { |
| throw tooManyAttributes(); |
| } |
| // change this to get the objects from the other reference |
| final Object object = |
| reference.getReferencedObject(getProject()); |
| if (object instanceof ExtensionSet) { |
| final ExtensionSet other = (ExtensionSet) object; |
| extensions.addAll(other.extensions); |
| extensionsFilesets.addAll(other.extensionsFilesets); |
| } else { |
| final String message = |
| reference.getRefId() + " doesn\'t refer to a ExtensionSet"; |
| throw new BuildException(message); |
| } |
| |
| super.setRefid(reference); |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| * @return the extensions in a string. |
| */ |
| public String toString() { |
| return "ExtensionSet" + Arrays.asList(toExtensions(getProject())); |
| } |
| } |