| /* |
| * 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.api.model; |
| |
| import java.io.Serializable; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * Class InputLocation. |
| */ |
| public class InputLocation implements Serializable, InputLocationTracker { |
| private final int lineNumber; |
| private final int columnNumber; |
| private final InputSource source; |
| private final Map<Object, InputLocation> locations; |
| |
| public InputLocation(InputSource source) { |
| this.lineNumber = -1; |
| this.columnNumber = -1; |
| this.source = source; |
| this.locations = Collections.singletonMap(0, this); |
| } |
| |
| public InputLocation(int lineNumber, int columnNumber) { |
| this(lineNumber, columnNumber, null, null); |
| } |
| |
| public InputLocation(int lineNumber, int columnNumber, InputSource source) { |
| this(lineNumber, columnNumber, source, null); |
| } |
| |
| public InputLocation(int lineNumber, int columnNumber, InputSource source, Object selfLocationKey) { |
| this.lineNumber = lineNumber; |
| this.columnNumber = columnNumber; |
| this.source = source; |
| this.locations = |
| selfLocationKey != null ? Collections.singletonMap(selfLocationKey, this) : Collections.emptyMap(); |
| } |
| |
| public InputLocation(int lineNumber, int columnNumber, InputSource source, Map<Object, InputLocation> locations) { |
| this.lineNumber = lineNumber; |
| this.columnNumber = columnNumber; |
| this.source = source; |
| this.locations = ImmutableCollections.copy(locations); |
| } |
| |
| public int getLineNumber() { |
| return lineNumber; |
| } |
| |
| public int getColumnNumber() { |
| return columnNumber; |
| } |
| |
| public InputSource getSource() { |
| return source; |
| } |
| |
| public InputLocation getLocation(Object key) { |
| return locations != null ? locations.get(key) : null; |
| } |
| |
| public Map<Object, InputLocation> getLocations() { |
| return locations; |
| } |
| |
| /** |
| * Merges the {@code source} location into the {@code target} location. |
| * |
| * @param target the target location |
| * @param source the source location |
| * @param sourceDominant the boolean indicating of {@code source} is dominant compared to {@code target} |
| * @return the merged location |
| */ |
| public static InputLocation merge(InputLocation target, InputLocation source, boolean sourceDominant) { |
| if (source == null) { |
| return target; |
| } else if (target == null) { |
| return source; |
| } |
| |
| Map<Object, InputLocation> locations; |
| Map<Object, InputLocation> sourceLocations = source.locations; |
| Map<Object, InputLocation> targetLocations = target.locations; |
| if (sourceLocations == null) { |
| locations = targetLocations; |
| } else if (targetLocations == null) { |
| locations = sourceLocations; |
| } else { |
| locations = new LinkedHashMap<>(); |
| locations.putAll(sourceDominant ? targetLocations : sourceLocations); |
| locations.putAll(sourceDominant ? sourceLocations : targetLocations); |
| } |
| |
| return new InputLocation(-1, -1, InputSource.merge(source.getSource(), target.getSource()), locations); |
| } // -- InputLocation merge( InputLocation, InputLocation, boolean ) |
| |
| /** |
| * Merges the {@code source} location into the {@code target} location. |
| * This method is used when the locations refer to lists and also merges the indices. |
| * |
| * @param target the target location |
| * @param source the source location |
| * @param indices the list of integers for the indices |
| * @return the merged location |
| */ |
| public static InputLocation merge(InputLocation target, InputLocation source, Collection<Integer> indices) { |
| if (source == null) { |
| return target; |
| } else if (target == null) { |
| return source; |
| } |
| |
| Map<Object, InputLocation> locations; |
| Map<Object, InputLocation> sourceLocations = source.locations; |
| Map<Object, InputLocation> targetLocations = target.locations; |
| if (sourceLocations == null) { |
| locations = targetLocations; |
| } else if (targetLocations == null) { |
| locations = sourceLocations; |
| } else { |
| locations = new LinkedHashMap<>(); |
| for (int index : indices) { |
| InputLocation location; |
| if (index < 0) { |
| location = sourceLocations.get(~index); |
| } else { |
| location = targetLocations.get(index); |
| } |
| locations.put(locations.size(), location); |
| } |
| } |
| |
| return new InputLocation(-1, -1, InputSource.merge(source.getSource(), target.getSource()), locations); |
| } // -- InputLocation merge( InputLocation, InputLocation, java.util.Collection ) |
| |
| /** |
| * Class StringFormatter. |
| * |
| * @version $Revision$ $Date$ |
| */ |
| public interface StringFormatter { |
| |
| // -----------/ |
| // - Methods -/ |
| // -----------/ |
| |
| /** |
| * Method toString. |
| */ |
| String toString(InputLocation location); |
| } |
| } |