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/*
* 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.model.building;
import java.net.URI;
/**
* Provides access to the contents of a POM independently of the backing store (e.g. file system, database, memory).
* <p>
* Unlike {@link ModelSource}, this interface supports loading of parent POM(s) from the same backing store and allows
* construction of MavenProject instances without the need to have parent POM(s) available from local or remote
* repositories.
* <p>
* ModelSource2 instances are cached in {@link ModelBuildingRequest#getModelCache()}. Implementations must guarantee
* that the connection to the backing store remains active until request's {@link ModelCache} is discarded or flushed.
*/
public interface ModelSource2 extends ModelSource {
/**
* Returns model source identified by a path relative to this model source POM. Implementation <strong>MUST</strong>
* be able to accept <code>relPath</code> parameter values that
* <ul>
* <li>use either / or \ file path separator</li>
* <li>have .. parent directory references</li>
* <li>point either at file or directory, in the latter case POM file name 'pom.xml' needs to be used by the
* requested model source.</li>
* </ul>
*
* @param relPath is the path of the requested model source relative to this model source POM.
* @return related model source or <code>null</code> if no such model source.
*/
ModelSource2 getRelatedSource(String relPath);
/**
* Returns location of the POM, never <code>null</code>.
*/
URI getLocationURI();
}