| /* |
| * 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.services; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.Path; |
| |
| import org.apache.maven.api.Session; |
| import org.apache.maven.api.annotations.Experimental; |
| import org.apache.maven.api.annotations.Nonnull; |
| import org.apache.maven.api.annotations.Nullable; |
| |
| /** |
| * Provides access to the contents of a source independently of the |
| * backing store (e.g. file system, database, memory). |
| * <p> |
| * This is mainly used to parse files into objects such as |
| * {@link org.apache.maven.api.Project}, |
| * {@link org.apache.maven.api.model.Model}, |
| * {@link org.apache.maven.api.settings.Settings}, or |
| * {@link org.apache.maven.api.toolchain.PersistedToolchains}. |
| * |
| * @since 4.0.0 |
| * @see org.apache.maven.api.services.ProjectBuilder#build(Session, Source) |
| * @see org.apache.maven.api.services.SettingsBuilder#build(Session, Source, Source, Source) |
| * @see org.apache.maven.api.services.ToolchainsBuilder#build(Session, Source, Source) |
| */ |
| @Experimental |
| public interface Source { |
| |
| /** |
| * Provides access the file to be parsed, if this source is backed by a file. |
| * |
| * @return the underlying {@code Path}, or {@code null} if this source is not backed by a file |
| */ |
| @Nullable |
| Path getPath(); |
| |
| /** |
| * Creates a new byte stream to the source contents. |
| * Closing the returned stream is the responsibility of the caller. |
| * |
| * @return a byte stream to the source contents, never {@code null} |
| * @throws IOException in case of IO issue |
| */ |
| @Nonnull |
| InputStream openStream() throws IOException; |
| |
| /** |
| * Provides a user-friendly hint about the location of the source. |
| * This could be a local file path, a URI or just an empty string. |
| * The intention is to assist users during error reporting. |
| * |
| * @return a user-friendly hint about the location of the source, never {@code null} |
| */ |
| @Nonnull |
| String getLocation(); |
| |
| /** |
| * Returns a new source identified by a relative path. Implementation <strong>MUST</strong> |
| * be able to accept <code>relative</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.</li> |
| * </ul> |
| * |
| * @param relative is the path of the requested source relative to this source |
| * @return related source or <code>null</code> if no such source |
| */ |
| Source resolve(String relative); |
| } |