diff options
11 files changed, 490 insertions, 2 deletions
diff --git a/org.eclipse.m2e.core/META-INF/MANIFEST.MF b/org.eclipse.m2e.core/META-INF/MANIFEST.MF index 81985114..1d394ac0 100644 --- a/org.eclipse.m2e.core/META-INF/MANIFEST.MF +++ b/org.eclipse.m2e.core/META-INF/MANIFEST.MF @@ -37,6 +37,7 @@ Export-Package: org.eclipse.m2e.core, org.eclipse.m2e.core.internal.markers;x-internal:=true, org.eclipse.m2e.core.internal.preferences;x-internal:=true, org.eclipse.m2e.core.internal.project;x-internal:=true, + org.eclipse.m2e.core.internal.project.conversion;x-internal:=true, org.eclipse.m2e.core.internal.project.registry;x-internal:=true, org.eclipse.m2e.core.internal.repository;x-internal:=true, org.eclipse.m2e.core.lifecyclemapping.model, diff --git a/org.eclipse.m2e.core/about.html b/org.eclipse.m2e.core/about.html index 70e4b67c..90768e61 100644 --- a/org.eclipse.m2e.core/about.html +++ b/org.eclipse.m2e.core/about.html @@ -24,5 +24,27 @@ provided with the Content. If no such license exists, contact the Redistributor indicated below, the terms and conditions of the EPL still apply to any source code in the Content and such source code may be obtained at <a href="http://www.eclipse.org/">http://www.eclipse.org</a>.</p> +<h3>Third Party Content</h3> + +<p> +The Content includes items that have been sourced from third parties as set out below. If you +did not receive this Content directly from the Eclipse Foundation, the following is provided +for informational purposes only, and you should look to the Redistributor’s license for +terms and conditions of use. +</p> + +<h4>Maven Core 3.0.4 (Derivative work)</h4> +<p> +This software is based in part on the work of The Apache Software Foundation on the Maven Core project.</p> +<p>The class org.eclipse.m2e.core.internal.project.conversion.ProjectConversionParticipantSorter is based on the following class from Maven Core :</p> +<ul> +<li>org.apache.maven.project.ProjectSorter</li> +</ul> +<p> +Your use of Maven Core in source or binary code form is subject to the terms and conditions of the +The Apache Software License, Version 2.0 ("ASL"). +A copy of the ASL is available at <a href="http://maven.apache.org/license.html">http://maven.apache.org/license.html</a>. +(a local copy can be found <a href="about_files/LICENSE-2.0.txt">here</a>) +</p> </body> </html> diff --git a/org.eclipse.m2e.core/about_files/LICENSE-2.0.txt b/org.eclipse.m2e.core/about_files/LICENSE-2.0.txt new file mode 100644 index 00000000..d6456956 --- /dev/null +++ b/org.eclipse.m2e.core/about_files/LICENSE-2.0.txt @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed 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. diff --git a/org.eclipse.m2e.core/build.properties b/org.eclipse.m2e.core/build.properties index a54ef0b0..0872069d 100644 --- a/org.eclipse.m2e.core/build.properties +++ b/org.eclipse.m2e.core/build.properties @@ -17,7 +17,8 @@ bin.includes = plugin.xml,\ .,\ schema/,\ about.html,\ - m2eclipse.gif + m2eclipse.gif,\ + about_files/ jars.compile.order = . output.. = target/classes source.. = src/,\ diff --git a/org.eclipse.m2e.core/schema/projectConversionParticipants.exsd b/org.eclipse.m2e.core/schema/projectConversionParticipants.exsd index cfe8d895..af3d7314 100644 --- a/org.eclipse.m2e.core/schema/projectConversionParticipants.exsd +++ b/org.eclipse.m2e.core/schema/projectConversionParticipants.exsd @@ -86,6 +86,20 @@ </documentation> </annotation> </attribute> + <attribute name="runsAfter" type="string"> + <annotation> + <documentation> + Optional comma-separated list of projectConversionParticipant ids this participant should run after. + </documentation> + </annotation> + </attribute> + <attribute name="runsBefore" type="string"> + <annotation> + <documentation> + Optional comma-separated list of projectConversionParticipant ids this participant should run before. + </documentation> + </annotation> + </attribute> </complexType> </element> diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/Messages.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/Messages.java index e3cc4fd3..f857c338 100644 --- a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/Messages.java +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/Messages.java @@ -242,6 +242,8 @@ public class Messages extends NLS { public static String buildConextFileAccessOutsideOfProjectBasedir; + public static String ProjectConversion_error_duplicate_conversion_participant; + static { // initialize resource bundle NLS.initializeMessages(BUNDLE_NAME, Messages.class); diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/messages.properties b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/messages.properties index af1dcf57..fed4d6a7 100644 --- a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/messages.properties +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/messages.properties @@ -108,3 +108,4 @@ RepositoryRegistryUpdateJob_title=Repository registry initialization pluginMarkerBuildError=Project build error\: {0} importProjectExists=Project "{0}" already exists. buildConextFileAccessOutsideOfProjectBasedir=Access "{0}" directory outside of project base directory. +ProjectConversion_error_duplicate_conversion_participant=Duplicate Conversion Participant {0} unsupported.
\ No newline at end of file diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/DuplicateConversionParticipantException.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/DuplicateConversionParticipantException.java new file mode 100644 index 00000000..730f6f58 --- /dev/null +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/DuplicateConversionParticipantException.java @@ -0,0 +1,31 @@ +/******************************************************************************* + * Copyright (c) 2013 Red Hat, Inc. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Red Hat, Inc. - initial API and implementation + *******************************************************************************/ + +package org.eclipse.m2e.core.internal.project.conversion; + +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IStatus; + + +/** + * Duplicate Conversion participant exception thrown when sorting conversion participants. + * + * @author Fred Bricon + */ +public class DuplicateConversionParticipantException extends CoreException { + + private static final long serialVersionUID = 6964958800119046412L; + + public DuplicateConversionParticipantException(IStatus status) { + super(status); + } + +} diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionManager.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionManager.java index f3bc8212..0f771128 100644 --- a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionManager.java +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionManager.java @@ -32,10 +32,15 @@ import org.eclipse.core.runtime.IExtension; import org.eclipse.core.runtime.IExtensionPoint; import org.eclipse.core.runtime.IExtensionRegistry; import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Platform; +import org.eclipse.core.runtime.Status; + +import org.codehaus.plexus.util.dag.CycleDetectedException; import org.apache.maven.model.Model; +import org.eclipse.m2e.core.internal.IMavenConstants; import org.eclipse.m2e.core.project.conversion.AbstractProjectConversionParticipant; import org.eclipse.m2e.core.project.conversion.IProjectConversionEnabler; import org.eclipse.m2e.core.project.conversion.IProjectConversionManager; @@ -159,7 +164,14 @@ public class ProjectConversionManager implements IProjectConversionManager { } } } - return Collections.unmodifiableList(participants); + + //Sort the remaining conversion participants + try { + ProjectConversionParticipantSorter sorter = new ProjectConversionParticipantSorter(participants); + return Collections.unmodifiableList(sorter.getSortedConverters()); + } catch(CycleDetectedException ex) { + throw new CoreException(new Status(IStatus.ERROR, IMavenConstants.PLUGIN_ID, ex.getMessage())); + } } private static IProjectConversionEnabler[] loadProjectConversionEnablers() { diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionParticipantSorter.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionParticipantSorter.java new file mode 100644 index 00000000..340ac6ff --- /dev/null +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/project/conversion/ProjectConversionParticipantSorter.java @@ -0,0 +1,153 @@ +/** + * 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.eclipse.m2e.core.internal.project.conversion; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; +import org.eclipse.osgi.util.NLS; + +import org.codehaus.plexus.util.dag.CycleDetectedException; +import org.codehaus.plexus.util.dag.DAG; +import org.codehaus.plexus.util.dag.TopologicalSorter; +import org.codehaus.plexus.util.dag.Vertex; + +import org.eclipse.m2e.core.internal.IMavenConstants; +import org.eclipse.m2e.core.internal.Messages; +import org.eclipse.m2e.core.project.conversion.AbstractProjectConversionParticipant; + + +/** + * Sorts a list of {@link AbstractProjectConversionParticipant} (converters). + * <ul> + * <li>Declares all converters as vertices of a Directed Acyclic Graph ({@link DAG})</li> + * <li>Adds edges between each converter and its preceding (see + * {@link AbstractProjectConversionParticipant#getPrecedingConverterIds()}) and succeeding (see + * {@link AbstractProjectConversionParticipant#getSucceedingConverterIds()}) converters</li> + * <li>ignores all unknown converter dependencies</li> + * <li>Does a topological sort on the graph</li> + * <li>The sorted list in unmodifiable.</li> + * </ul> + * <p> + * This implementation was inspired by Apache Maven's {@link org.apache.maven.project.ProjectSorter} + * </p> + * + * @author Fred Bricon + * @throws CycleDetectedException if a cycle is detected between project conversion participant dependencies + * @throws DuplicateConversionParticipantException if any project conversion participant ids are duplicated + * @see DAG + */ +public class ProjectConversionParticipantSorter { + + private List<AbstractProjectConversionParticipant> sortedConverters; + + @SuppressWarnings("unchecked") + public ProjectConversionParticipantSorter(List<AbstractProjectConversionParticipant> converters) + throws CycleDetectedException, DuplicateConversionParticipantException { + + if(converters == null) { + throw new IllegalArgumentException("converters parameter can not be null"); + } + + if(converters.isEmpty()) { + this.sortedConverters = Collections.emptyList(); + return; + } + + if(converters.size() == 1) { + this.sortedConverters = Collections.singletonList(converters.get(0)); + return; + } + + DAG dag = new DAG(); + + Map<String, AbstractProjectConversionParticipant> converterMap = new HashMap<String, AbstractProjectConversionParticipant>( + converters.size()); + + //Create a vertex for each converter. Duplicates not allowed! + for(AbstractProjectConversionParticipant converter : converters) { + String converterId = converter.getId(); + + AbstractProjectConversionParticipant conflictingConverter = converterMap.put(converterId, converter); + + if(conflictingConverter != null) { + IStatus error = new Status(IStatus.ERROR, IMavenConstants.PLUGIN_ID, NLS.bind( + Messages.ProjectConversion_error_duplicate_conversion_participant, converterId)); + throw new DuplicateConversionParticipantException(error); + } + + dag.addVertex(converterId); + } + + //Add edges + for(Vertex converterVx : (List<Vertex>) dag.getVerticies()) { + String converterId = converterVx.getLabel(); + + AbstractProjectConversionParticipant converter = converterMap.get(converterId); + + //Add edges for all the converters this converter should run after + String[] predecessors = converter.getPrecedingConverterIds(); + if(predecessors != null) { + for(String id : predecessors) { + Vertex predecessor = dag.getVertex(id); + if(predecessor != null) { + dag.addEdge(converterVx, predecessor); + } + } + } + + //Add edges for all the converters this converter should run before + String[] successors = converter.getSucceedingConverterIds(); + if(successors != null) { + for(String id : successors) { + Vertex successor = dag.getVertex(id); + if(successor != null) { + dag.addEdge(successor, converterVx); + } + } + } + + } + + List<String> sortedConverterIds = TopologicalSorter.sort(dag); + + List<AbstractProjectConversionParticipant> sortedConverters = new ArrayList<AbstractProjectConversionParticipant>( + converters.size()); + + for(String id : sortedConverterIds) { + sortedConverters.add(converterMap.get(id)); + } + this.sortedConverters = Collections.unmodifiableList(sortedConverters); + } + + /** + * @return a sorted, unmodifiable list of the {@link AbstractProjectConversionParticipant}. + */ + public List<AbstractProjectConversionParticipant> getSortedConverters() { + return sortedConverters; + } + +} diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/conversion/AbstractProjectConversionParticipant.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/conversion/AbstractProjectConversionParticipant.java index a8bf246f..3013be30 100644 --- a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/conversion/AbstractProjectConversionParticipant.java +++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/conversion/AbstractProjectConversionParticipant.java @@ -11,6 +11,7 @@ package org.eclipse.m2e.core.project.conversion; +import java.util.ArrayList; import java.util.Collections; import java.util.HashSet; import java.util.Set; @@ -36,12 +37,20 @@ public abstract class AbstractProjectConversionParticipant implements IExecutabl public static final String ATTR_NAME = "name"; //$NON-NLS-1$ + public static final String ATTR_AFTER = "runsAfter"; //$NON-NLS-1$ + + public static final String ATTR_BEFORE = "runsBefore"; //$NON-NLS-1$ + protected Set<String> restrictedPackagings; private String name; private String id; + private String[] runsAfter; + + private String[] runsBefore; + public String getName() { return name; } @@ -56,6 +65,29 @@ public abstract class AbstractProjectConversionParticipant implements IExecutabl public void setInitializationData(IConfigurationElement config, String propertyName, Object data) { this.id = config.getAttribute(ATTR_ID); this.name = config.getAttribute(ATTR_NAME); + this.runsBefore = split(config.getAttribute(ATTR_BEFORE)); + this.runsAfter = split(config.getAttribute(ATTR_AFTER)); + } + + /** + * Split a String using the comma delimiter, ignore whitespace. + */ + protected String[] split(String str) { + if(str == null) { + return null; + } + String[] split = str.split(","); + ArrayList<String> list = new ArrayList<String>(split.length); + for(String s : split) { + s = s.trim(); + if(s.length() > 0 && !list.contains(s)) { + list.add(s); + } + } + + String[] result = new String[list.size()]; + list.toArray(result); + return result; } /** @@ -110,4 +142,21 @@ public abstract class AbstractProjectConversionParticipant implements IExecutabl } } + /** + * Returns the ids of all {@link AbstractProjectConversionParticipant}s this instance must run after. + * + * @since 1.3 + */ + public String[] getPrecedingConverterIds() { + return runsAfter; + } + + /** + * Returns the ids of all {@link AbstractProjectConversionParticipant}s this instance must run before. + * + * @since 1.3 + */ + public String[] getSucceedingConverterIds() { + return runsBefore; + } } |