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/*
 * SonarQube, open source software quality management tool.
 * Copyright (C) 2008-2014 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * SonarQube is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * SonarQube is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.api.batch.fs.internal;

import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.utils.PathUtils;

import java.io.File;
import java.io.Serializable;

/**
 * @since 4.2
 */
public class DefaultInputFile implements InputFile, Serializable {

  private final String relativePath;
  private final String moduleKey;
  private String absolutePath;
  private String language;
  private Type type = Type.MAIN;
  private Status status;
  private String hash;
  private int lines;
  private String encoding;
  long[] originalLineOffsets;
  byte[][] lineHashes;

  public DefaultInputFile(String moduleKey, String relativePath) {
    this.moduleKey = moduleKey;
    this.relativePath = PathUtils.sanitize(relativePath);
  }

  @Override
  public String relativePath() {
    return relativePath;
  }

  @Override
  public String absolutePath() {
    return absolutePath;
  }

  @Override
  public File file() {
    if (absolutePath == null) {
      throw new IllegalStateException("Can not return the java.io.File because absolute path is not set (see method setFile(java.io.File))");
    }
    return new File(absolutePath);
  }

  @Override
  public String language() {
    return language;
  }

  @Override
  public Type type() {
    return type;
  }

  /**
   * {@link #setStatus(org.sonar.api.batch.fs.InputFile.Status)}
   */
  @Override
  public Status status() {
    return status;
  }

  /**
   * Digest hash of the file.
   */
  public String hash() {
    return hash;
  }

  @Override
  public int lines() {
    return lines;
  }

  /**
   * Component key.
   */
  public String key() {
    return new StringBuilder().append(moduleKey).append(":").append(relativePath).toString();
  }

  public String moduleKey() {
    return moduleKey;
  }

  public String encoding() {
    return encoding;
  }

  public long[] originalLineOffsets() {
    return originalLineOffsets;
  }

  public byte[][] lineHashes() {
    return lineHashes;
  }

  public DefaultInputFile setAbsolutePath(String s) {
    this.absolutePath = PathUtils.sanitize(s);
    return this;
  }

  public DefaultInputFile setLanguage(String language) {
    this.language = language;
    return this;
  }

  public DefaultInputFile setFile(File file) {
    setAbsolutePath(file.getAbsolutePath());
    return this;
  }

  public DefaultInputFile setType(Type type) {
    this.type = type;
    return this;
  }

  public DefaultInputFile setStatus(Status status) {
    this.status = status;
    return this;
  }

  public DefaultInputFile setHash(String hash) {
    this.hash = hash;
    return this;
  }

  public DefaultInputFile setLines(int lines) {
    this.lines = lines;
    return this;
  }

  public DefaultInputFile setEncoding(String encoding) {
    this.encoding = encoding;
    return this;
  }

  public DefaultInputFile setOriginalLineOffsets(long[] originalLineOffsets) {
    this.originalLineOffsets = originalLineOffsets;
    return this;
  }

  public DefaultInputFile setLineHashes(byte[][] lineHashes) {
    this.lineHashes = lineHashes;
    return this;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof DefaultInputFile)) {
      return false;
    }

    DefaultInputFile that = (DefaultInputFile) o;
    return moduleKey.equals(that.moduleKey) && relativePath.equals(that.relativePath);
  }

  @Override
  public int hashCode() {
    return moduleKey.hashCode() + relativePath.hashCode() * 13;
  }

  @Override
  public String toString() {
    return "[moduleKey=" + moduleKey + ", relative=" + relativePath + ", abs=" + absolutePath + "]";
  }

}