| package org.apache.maven.building; |
| |
| /* |
| * 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.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.charset.StandardCharsets; |
| |
| /** |
| * Wraps an ordinary {@link CharSequence} as a source. |
| * |
| * @author Benjamin Bentmann |
| */ |
| public class StringSource |
| implements Source |
| { |
| private final String content; |
| |
| private final String location; |
| |
| private final int hashCode; |
| |
| /** |
| * Creates a new source backed by the specified string. |
| * |
| * @param content The String representation, may be empty or {@code null}. |
| */ |
| public StringSource( CharSequence content ) |
| { |
| this( content, null ); |
| } |
| |
| /** |
| * Creates a new source backed by the specified string. |
| * |
| * @param content The String representation, may be empty or {@code null}. |
| * @param location The location to report for this use, may be {@code null}. |
| */ |
| public StringSource( CharSequence content, String location ) |
| { |
| this.content = ( content != null ) ? content.toString() : ""; |
| this.location = ( location != null ) ? location : "(memory)"; |
| this.hashCode = this.content.hashCode(); |
| } |
| |
| @Override |
| public InputStream getInputStream() |
| throws IOException |
| { |
| return new ByteArrayInputStream( content.getBytes( StandardCharsets.UTF_8 ) ); |
| } |
| |
| @Override |
| public String getLocation() |
| { |
| return location; |
| } |
| |
| /** |
| * Gets the content of this source. |
| * |
| * @return The underlying character stream, never {@code null}. |
| */ |
| public String getContent() |
| { |
| return content; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return getLocation(); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return hashCode; |
| } |
| |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( this == obj ) |
| { |
| return true; |
| } |
| |
| if ( obj == null ) |
| { |
| return false; |
| } |
| |
| if ( !StringSource.class.equals( obj.getClass() ) ) |
| { |
| return false; |
| } |
| |
| StringSource other = (StringSource) obj; |
| return this.content.equals( other.content ); |
| } |
| } |