/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.tools.internal.ws.processor.util;
import com.sun.tools.internal.ws.processor.generator.GeneratorException;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.Writer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.text.MessageFormat;
/**
*
* @author WS Development Team
*/
public class IndentingWriter extends BufferedWriter {
private boolean beginningOfLine = true;
private int currentIndent = 0;
private int indentStep = 4;
public IndentingWriter(Writer out) {
super(out);
}
public IndentingWriter(Writer out,int step) {
this(out);
if (indentStep < 0) {
throw new IllegalArgumentException("negative indent step");
}
indentStep = step;
}
public void write(int c) throws IOException {
checkWrite();
super.write(c);
}
public void write(char[] cbuf, int off, int len) throws IOException {
if (len > 0) {
checkWrite();
}
super.write(cbuf, off, len);
}
public void write(String s, int off, int len) throws IOException {
if (len > 0) {
checkWrite();
}
super.write(s, off, len);
}
public void newLine() throws IOException {
super.newLine();
beginningOfLine = true;
}
protected void checkWrite() throws IOException {
if (beginningOfLine) {
beginningOfLine = false;
int i = currentIndent;
while (i > 0) {
super.write(' ');
-- i;
}
}
}
protected void indentIn() {
currentIndent += indentStep;
}
protected void indentOut() {
currentIndent -= indentStep;
if (currentIndent < 0) {
currentIndent = 0;
}
}
public void pI() {
indentIn();
}
public void pO() {
indentOut();
}
public void pI(int levels) {
for (int i = 0; i < levels; ++i) {
indentIn();
}
}
public void pO(int levels) {
for (int i = 0; i < levels; ++i) {
indentOut();
}
}
public void p(String s) throws IOException {
/*
int tabCount = 0;
for (int i = 0; i < s.length(); ++i) {
if (s.charAt(i) == '\t') {
++tabCount;
indentIn();
}
}
String printStr = s.substring(tabCount);
*/
boolean canEncode = true;
//bug fix: 4839636
try{
if(!canEncode(s)) {
canEncode = false;
}
} catch (Throwable t) {
// there was some exception, what should we do?
// lets ignore it for now and proceed with the code generation!
}
if(!canEncode) {
throw new GeneratorException(
"generator.indentingwriter.charset.cantencode", s);
}
write(s);
/*
while (tabCount-- > 0) {
indentOut();
}
*/
}
/**
* Check if encode can handle the chars in this string.
*
*/
protected boolean canEncode(String s) {
final CharsetEncoder encoder =
Charset.forName(System.getProperty("file.encoding")).newEncoder();
char[] chars = s.toCharArray();
for (int i=0; i<chars.length; i++) {
if(!encoder.canEncode(chars[i])) {
return false;
}
}
return true;
}
public void p(String s1, String s2) throws IOException {
p(s1);
p(s2);
}
public void p(String s1, String s2, String s3) throws IOException {
p(s1);
p(s2);
p(s3);
}
public void p(String s1, String s2, String s3, String s4) throws IOException {
p(s1);
p(s2);
p(s3);
p(s4);
}
public void p(String s1, String s2, String s3, String s4, String s5) throws IOException {
p(s1);
p(s2);
p(s3);
p(s4);
p(s5);
}
public void pln() throws IOException {
newLine();
}
public void pln(String s) throws IOException {
p(s);
pln();
}
public void pln(String s1, String s2) throws IOException {
p(s1, s2);
pln();
}
public void pln(String s1, String s2, String s3) throws IOException {
p(s1, s2, s3);
pln();
}
public void pln(String s1, String s2, String s3, String s4) throws IOException {
p(s1, s2, s3, s4);
pln();
}
public void pln(String s1, String s2, String s3, String s4, String s5) throws IOException {
p(s1, s2, s3, s4, s5);
pln();
}
public void plnI(String s) throws IOException {
p(s);
pln();
pI();
}
public void pO(String s) throws IOException {
pO();
p(s);
}
public void pOln(String s) throws IOException {
pO(s);
pln();
}
public void pOlnI(String s) throws IOException {
pO(s);
pln();
pI();
}
public void p(Object o) throws IOException {
write(o.toString());
}
public void pln(Object o) throws IOException {
p(o.toString());
pln();
}
public void plnI(Object o) throws IOException {
p(o.toString());
pln();
pI();
}
public void pO(Object o) throws IOException {
pO();
p(o.toString());
}
public void pOln(Object o) throws IOException {
pO(o.toString());
pln();
}
public void pOlnI(Object o) throws IOException {
pO(o.toString());
pln();
pI();
}
public void pM(String s) throws IOException {
int i = 0;
while (i < s.length()) {
int j = s.indexOf('\n', i);
if (j == -1) {
p(s.substring(i));
break;
} else {
pln(s.substring(i, j));
i = j + 1;
}
}
}
public void pMln(String s) throws IOException {
pM(s);
pln();
}
public void pMlnI(String s) throws IOException {
pM(s);
pln();
pI();
}
public void pMO(String s) throws IOException {
pO();
pM(s);
}
public void pMOln(String s) throws IOException {
pMO(s);
pln();
}
public void pF(String pattern, Object[] arguments) throws IOException {
pM(MessageFormat.format(pattern, arguments));
}
public void pFln(String pattern, Object[] arguments) throws IOException {
pF(pattern, arguments);
pln();
}
}