0N/A/*
2362N/A * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/Apackage java.text;
0N/A
0N/Aimport java.util.ArrayList;
0N/A
0N/A/**
0N/A * CharacterIteratorFieldDelegate combines the notifications from a Format
0N/A * into a resulting <code>AttributedCharacterIterator</code>. The resulting
0N/A * <code>AttributedCharacterIterator</code> can be retrieved by way of
0N/A * the <code>getIterator</code> method.
0N/A *
0N/A */
0N/Aclass CharacterIteratorFieldDelegate implements Format.FieldDelegate {
0N/A /**
0N/A * Array of AttributeStrings. Whenever <code>formatted</code> is invoked
0N/A * for a region > size, a new instance of AttributedString is added to
0N/A * attributedStrings. Subsequent invocations of <code>formatted</code>
0N/A * for existing regions result in invoking addAttribute on the existing
0N/A * AttributedStrings.
0N/A */
0N/A private ArrayList attributedStrings;
0N/A /**
0N/A * Running count of the number of characters that have
0N/A * been encountered.
0N/A */
0N/A private int size;
0N/A
0N/A
0N/A CharacterIteratorFieldDelegate() {
0N/A attributedStrings = new ArrayList();
0N/A }
0N/A
0N/A public void formatted(Format.Field attr, Object value, int start, int end,
0N/A StringBuffer buffer) {
0N/A if (start != end) {
0N/A if (start < size) {
0N/A // Adjust attributes of existing runs
0N/A int index = size;
0N/A int asIndex = attributedStrings.size() - 1;
0N/A
0N/A while (start < index) {
0N/A AttributedString as = (AttributedString)attributedStrings.
0N/A get(asIndex--);
0N/A int newIndex = index - as.length();
0N/A int aStart = Math.max(0, start - newIndex);
0N/A
0N/A as.addAttribute(attr, value, aStart, Math.min(
0N/A end - start, as.length() - aStart) +
0N/A aStart);
0N/A index = newIndex;
0N/A }
0N/A }
0N/A if (size < start) {
0N/A // Pad attributes
0N/A attributedStrings.add(new AttributedString(
0N/A buffer.substring(size, start)));
0N/A size = start;
0N/A }
0N/A if (size < end) {
0N/A // Add new string
0N/A int aStart = Math.max(start, size);
0N/A AttributedString string = new AttributedString(
0N/A buffer.substring(aStart, end));
0N/A
0N/A string.addAttribute(attr, value);
0N/A attributedStrings.add(string);
0N/A size = end;
0N/A }
0N/A }
0N/A }
0N/A
0N/A public void formatted(int fieldID, Format.Field attr, Object value,
0N/A int start, int end, StringBuffer buffer) {
0N/A formatted(attr, value, start, end, buffer);
0N/A }
0N/A
0N/A /**
0N/A * Returns an <code>AttributedCharacterIterator</code> that can be used
0N/A * to iterate over the resulting formatted String.
0N/A *
0N/A * @pararm string Result of formatting.
0N/A */
0N/A public AttributedCharacterIterator getIterator(String string) {
0N/A // Add the last AttributedCharacterIterator if necessary
0N/A // assert(size <= string.length());
0N/A if (string.length() > size) {
0N/A attributedStrings.add(new AttributedString(
0N/A string.substring(size)));
0N/A size = string.length();
0N/A }
0N/A int iCount = attributedStrings.size();
0N/A AttributedCharacterIterator iterators[] = new
0N/A AttributedCharacterIterator[iCount];
0N/A
0N/A for (int counter = 0; counter < iCount; counter++) {
0N/A iterators[counter] = ((AttributedString)attributedStrings.
0N/A get(counter)).getIterator();
0N/A }
0N/A return new AttributedString(iterators).getIterator();
0N/A }
0N/A}