| /* |
| * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.glassfish.jaxb.runtime.v2.runtime.unmarshaller; |
| |
| import org.glassfish.jaxb.runtime.v2.runtime.output.Pcdata; |
| import org.glassfish.jaxb.runtime.v2.runtime.output.UTF8XmlOutput; |
| |
| import java.io.IOException; |
| |
| /** |
| * Typed {@link CharSequence} for int[]. |
| * |
| * <p> |
| * Fed to unmarshaller when the 'text' data is actually |
| * a virtual image of int array. |
| * |
| * <p> |
| * This class holds int[] as a triplet of (data,start,len) |
| * where 'start' and 'len' represents the start position of the |
| * data and the length. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public final class IntArrayData extends Pcdata { |
| |
| private int[] data; |
| private int start; |
| private int len; |
| |
| /** |
| * String representation of the data. Lazily computed. |
| */ |
| private StringBuilder literal; |
| |
| |
| public IntArrayData(int[] data, int start, int len) { |
| set(data, start, len); |
| } |
| |
| public IntArrayData() { |
| } |
| |
| /** |
| * Sets the int[] data to this object. |
| * |
| * <p> |
| * This method doesn't make a copy for a performance reason. |
| * The caller is still free to modify the array it passed to this method, |
| * but he should do so with a care. The unmarshalling code isn't expecting |
| * the value to be changed while it's being routed. |
| */ |
| public void set(int[] data, int start, int len) { |
| this.data = data; |
| this.start = start; |
| this.len = len; |
| this.literal = null; |
| } |
| |
| public int length() { |
| return getLiteral().length(); |
| } |
| |
| public char charAt(int index) { |
| return getLiteral().charAt(index); |
| } |
| |
| public CharSequence subSequence(int start, int end) { |
| return getLiteral().subSequence(start,end); |
| } |
| |
| /** |
| * Computes the literal form from the data. |
| */ |
| private StringBuilder getLiteral() { |
| if(literal!=null) return literal; |
| |
| literal = new StringBuilder(); |
| int p = start; |
| for( int i=len; i>0; i-- ) { |
| if(literal.length()>0) literal.append(' '); |
| literal.append(data[p++]); |
| } |
| |
| return literal; |
| } |
| |
| public String toString() { |
| return literal.toString(); |
| } |
| |
| public void writeTo(UTF8XmlOutput output) throws IOException { |
| int p = start; |
| for( int i=len; i>0; i-- ) { |
| if(i!=len) |
| output.write(' '); |
| output.text(data[p++]); |
| } |
| } |
| } |