| /* |
| * 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 java.text; |
| |
| /** |
| * Tracks the current position in a parsed string. In case of an error the error |
| * index can be set to the position where the error occurred without having to |
| * change the parse position. |
| */ |
| public class ParsePosition { |
| |
| private int currentPosition, errorIndex = -1; |
| |
| /** |
| * Constructs a new {@code ParsePosition} with the specified index. |
| * |
| * @param index |
| * the index to begin parsing. |
| */ |
| public ParsePosition(int index) { |
| currentPosition = index; |
| } |
| |
| /** |
| * Compares the specified object to this {@code ParsePosition} and indicates |
| * if they are equal. In order to be equal, {@code object} must be an |
| * instance of {@code ParsePosition} and it must have the same index and |
| * error index. |
| * |
| * @param object |
| * the object to compare with this object. |
| * @return {@code true} if the specified object is equal to this |
| * {@code ParsePosition}; {@code false} otherwise. |
| * @see #hashCode |
| */ |
| @Override |
| public boolean equals(Object object) { |
| if (!(object instanceof ParsePosition)) { |
| return false; |
| } |
| ParsePosition pos = (ParsePosition) object; |
| return currentPosition == pos.currentPosition |
| && errorIndex == pos.errorIndex; |
| } |
| |
| /** |
| * Returns the index at which the parse could not continue. |
| * |
| * @return the index of the parse error or -1 if there is no error. |
| */ |
| public int getErrorIndex() { |
| return errorIndex; |
| } |
| |
| /** |
| * Returns the current parse position. |
| * |
| * @return the current position. |
| */ |
| public int getIndex() { |
| return currentPosition; |
| } |
| |
| @Override |
| public int hashCode() { |
| return currentPosition + errorIndex; |
| } |
| |
| /** |
| * Sets the index at which the parse could not continue. |
| * |
| * @param index |
| * the index of the parse error. |
| */ |
| public void setErrorIndex(int index) { |
| errorIndex = index; |
| } |
| |
| /** |
| * Sets the current parse position. |
| * |
| * @param index |
| * the current parse position. |
| */ |
| public void setIndex(int index) { |
| currentPosition = index; |
| } |
| |
| /** |
| * Returns the string representation of this parse position. |
| * |
| * @return the string representation of this parse position. |
| */ |
| @Override |
| public String toString() { |
| return getClass().getName() + "[index=" + currentPosition |
| + ", errorIndex=" + errorIndex + "]"; |
| } |
| } |