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Renamed class, formatter can be made functional with maven 3.x
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124 changes: 124 additions & 0 deletions
124
src/main/java/org/apache/maven/plugins/help/ImportedFromLocationFormatter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * 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.maven.plugins.help; | ||
|
|
||
| import java.lang.reflect.Field; | ||
| import java.lang.reflect.InvocationTargetException; | ||
| import java.lang.reflect.Method; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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|
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| import org.apache.maven.model.Dependency; | ||
| import org.apache.maven.model.InputLocation; | ||
| import org.apache.maven.model.InputSource; | ||
| import org.apache.maven.project.MavenProject; | ||
| import org.codehaus.plexus.util.StringUtils; | ||
|
|
||
| /** | ||
| * Implementation of {@link InputLocation.StringFormatter}. Enhances the default implementation with support for | ||
| * following "references" (caused by e.g. dependency management imports). | ||
| */ | ||
| public class ImportedFromLocationFormatter extends InputLocation.StringFormatter { | ||
| private final Method getImportedFromMethod; | ||
| private final MavenProject project; | ||
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| public ImportedFromLocationFormatter(final Method getImportedFromMethod, final MavenProject project) { | ||
| this.getImportedFromMethod = getImportedFromMethod; | ||
| this.project = project; | ||
| } | ||
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| @Override | ||
| public String toString(InputLocation location) { | ||
| InputSource source = location.getSource(); | ||
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| String s = source.getModelId(); // by default, display modelId | ||
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| if (StringUtils.isBlank(s) || s.contains("[unknown-version]")) { | ||
| // unless it is blank or does not provide version information | ||
| s = source.toString(); | ||
| } | ||
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| InputLocation importedFrom = getImportedFrom(location); | ||
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| StringBuilder p = new StringBuilder(); | ||
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| while (importedFrom != null) { | ||
| p.append(" from ").append(importedFrom.getSource().getModelId()); | ||
| importedFrom = getImportedFrom(importedFrom); | ||
| } | ||
|
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| return '}' + s + ((location.getLineNumber() >= 0) ? ", line " + location.getLineNumber() : "") + p; | ||
| } | ||
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| protected InputLocation getImportedFrom(final InputLocation location) { | ||
| try { | ||
| InputLocation result = (InputLocation) getImportedFromMethod.invoke(location); | ||
|
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| if (result == null && project != null) { | ||
| for (Dependency dependency : project.getDependencyManagement().getDependencies()) { | ||
| // Until a new maven api model is released, we need to use reflection to access the locations | ||
| Set<?> locationKeys = getLocationKeys(dependency); | ||
| for (Object key : locationKeys) { | ||
| if (!(key instanceof String)) { | ||
| throw new RuntimeException( | ||
| "Expected a String, got " + key.getClass().getName()); | ||
| } | ||
|
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| InputLocation dependencyLocation = dependency.getLocation(key); | ||
| if (dependencyLocation != null | ||
| && dependencyLocation.toString().equals(location.toString())) { | ||
| result = (InputLocation) Dependency.class | ||
| .getMethod("getImportedFrom") | ||
| .invoke(dependency); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return result; | ||
| } catch (IllegalAccessException | ||
| | InvocationTargetException | ||
| | NoSuchMethodException | ||
| | NoSuchFieldException | ||
| | ClassNotFoundException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
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| private Set<?> getLocationKeys(Dependency dependency) | ||
| throws NoSuchFieldException, IllegalAccessException, ClassNotFoundException { | ||
| Field delegateField = Class.forName("org.apache.maven.model.BaseObject").getDeclaredField("delegate"); | ||
| delegateField.setAccessible(true); | ||
| Object delegate = delegateField.get(dependency); | ||
| delegateField.setAccessible(false); | ||
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| Field locationsField = delegate.getClass().getDeclaredField("locations"); | ||
| locationsField.setAccessible(true); | ||
| Object locations = locationsField.get(delegate); | ||
| locationsField.setAccessible(false); | ||
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| if (!(locations instanceof Map)) { | ||
| throw new RuntimeException( | ||
| "Expected a Map, got " + locations.getClass().getName()); | ||
| } | ||
|
|
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| return ((Map<?, ?>) locations).keySet(); | ||
| } | ||
| } |
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134 changes: 0 additions & 134 deletions
134
src/main/java/org/apache/maven/plugins/help/Maven4InputLocationFormatter.java
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