diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/execution/scope/internal/MojoExecutionScope.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/execution/scope/internal/MojoExecutionScope.java | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/execution/scope/internal/MojoExecutionScope.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/execution/scope/internal/MojoExecutionScope.java deleted file mode 100644 index 8a98daf0..00000000 --- a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/execution/scope/internal/MojoExecutionScope.java +++ /dev/null @@ -1,190 +0,0 @@ -package org.apache.maven.execution.scope.internal; - -/* - * 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. - */ - -import java.util.Collection; -import java.util.IdentityHashMap; -import java.util.LinkedList; -import java.util.Map; - -import org.apache.maven.execution.MojoExecutionEvent; -import org.apache.maven.execution.MojoExecutionListener; -import org.apache.maven.execution.scope.WeakMojoExecutionListener; -import org.apache.maven.plugin.MojoExecutionException; - -import com.google.common.collect.Maps; -import com.google.inject.Key; -import com.google.inject.OutOfScopeException; -import com.google.inject.Provider; -import com.google.inject.Scope; -import com.google.inject.util.Providers; - -public class MojoExecutionScope - implements Scope, MojoExecutionListener -{ - private static final Provider<Object> SEEDED_KEY_PROVIDER = new Provider<Object>() - { - public Object get() - { - throw new IllegalStateException(); - } - }; - - private static final class ScopeState - { - public final Map<Key<?>, Provider<?>> seeded = Maps.newHashMap(); - - public final Map<Key<?>, Object> provided = Maps.newHashMap(); - } - - private final ThreadLocal<LinkedList<ScopeState>> values = new ThreadLocal<LinkedList<ScopeState>>(); - - public MojoExecutionScope() - { - } - - public void enter() - { - LinkedList<ScopeState> stack = values.get(); - if ( stack == null ) - { - stack = new LinkedList<ScopeState>(); - values.set( stack ); - } - stack.addFirst( new ScopeState() ); - } - - private ScopeState getScopeState() - { - LinkedList<ScopeState> stack = values.get(); - if ( stack == null || stack.isEmpty() ) - { - throw new IllegalStateException(); - } - return stack.getFirst(); - } - - public void exit() - throws MojoExecutionException - { - final LinkedList<ScopeState> stack = values.get(); - if ( stack == null || stack.isEmpty() ) - { - throw new IllegalStateException(); - } - stack.removeFirst(); - if ( stack.isEmpty() ) - { - values.remove(); - } - } - - public <T> void seed( Class<T> clazz, Provider<T> value ) - { - getScopeState().seeded.put( Key.get( clazz ), value ); - } - - public <T> void seed( Class<T> clazz, final T value ) - { - getScopeState().seeded.put( Key.get( clazz ), Providers.of( value ) ); - } - - public <T> Provider<T> scope( final Key<T> key, final Provider<T> unscoped ) - { - return new Provider<T>() - { - @SuppressWarnings( "unchecked" ) - public T get() - { - LinkedList<ScopeState> stack = values.get(); - if ( stack == null || stack.isEmpty() ) - { - throw new OutOfScopeException( "Cannot access " + key + " outside of a scoping block" ); - } - - ScopeState state = stack.getFirst(); - - Provider<?> seeded = state.seeded.get( key ); - - if ( seeded != null ) - { - return (T) seeded.get(); - } - - T provided = (T) state.provided.get( key ); - if ( provided == null && unscoped != null ) - { - provided = unscoped.get(); - state.provided.put( key, provided ); - } - - return provided; - } - }; - } - - @SuppressWarnings( { "unchecked" } ) - public static <T> Provider<T> seededKeyProvider() - { - return (Provider<T>) SEEDED_KEY_PROVIDER; - } - - public void beforeMojoExecution( MojoExecutionEvent event ) - throws MojoExecutionException - { - for ( WeakMojoExecutionListener provided : getProvidedListeners() ) - { - provided.beforeMojoExecution( event ); - } - } - - public void afterMojoExecutionSuccess( MojoExecutionEvent event ) - throws MojoExecutionException - { - for ( WeakMojoExecutionListener provided : getProvidedListeners() ) - { - provided.afterMojoExecutionSuccess( event ); - } - } - - public void afterExecutionFailure( MojoExecutionEvent event ) - { - for ( WeakMojoExecutionListener provided : getProvidedListeners() ) - { - provided.afterExecutionFailure( event ); - } - } - - private Collection<WeakMojoExecutionListener> getProvidedListeners() - { - // the same instance can be provided multiple times under different Key's - // deduplicate instances to avoid redundant beforeXXX/afterXXX callbacks - IdentityHashMap<WeakMojoExecutionListener, Object> listeners = - new IdentityHashMap<WeakMojoExecutionListener, Object>(); - for ( Object provided : getScopeState().provided.values() ) - { - if ( provided instanceof WeakMojoExecutionListener ) - { - listeners.put( (WeakMojoExecutionListener) provided, null ); - } - } - return listeners.keySet(); - } -} |