Make more use of generated code in Java analysis server.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/ContentChange.java

-/*
- * Copyright (c) 2014, the Dart project authors.
- * 
- * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
- * 
- * 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 com.google.dart.server;
-
-/**
- * A description of the change to the content of a file. If any of the optional fields are provided
- * then all of the optional fields must be provided.
- * 
- * @coverage dart.server
- */
-public class ContentChange {
-  private final String content;
-  private final boolean incremental;
-  private final int offset;
-  private final int oldLength;
-  private final int newLength;
-
-  public ContentChange(String content) {
-    this.content = content;
-    this.incremental = false;
-    this.offset = 0;
-    this.oldLength = 0;
-    this.newLength = 0;
-  }
-
-  public ContentChange(String content, int offset, int oldLength, int newLength) {
-    this.content = content;
-    this.incremental = true;
-    this.offset = offset;
-    this.oldLength = oldLength;
-    this.newLength = newLength;
-  }
-
-  /**
-   * The new content of the file, or {@code null} if the content of the file should be read from
-   * disk.
-   */
-  public String getContent() {
-    return content;
-  }
-
-  /**
-   * The (optional) length of the region that was added.
-   */
-  public int getNewLength() {
-    return newLength;
-  }
-
-  /**
-   * The (optional) offset of the region that was modified.
-   */
-  public int getOffset() {
-    return offset;
-  }
-
-  /**
-   * The (optional) length of the region that was removed.
-   */
-  public int getOldLength() {
-    return oldLength;
-  }
-
-  /**
-   * Is {@code true} if this is an incremental change, so {@link #getOffset()},
-   * {@link #getOldLength()} and {@link #getNewLength()} values are set.
-   */
-  public boolean isIncremental() {
-    return incremental;
-  }
-}