xyz.cofe.text.Output Maven / Gradle / Ivy
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/*
* The MIT License
*
* Copyright 2015 [email protected].
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package xyz.cofe.text;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import xyz.cofe.collection.Func0;
import xyz.cofe.text.UnionWriter;
import xyz.cofe.text.template.BasicTemplate;
/**
* Поток вывода информации
* @author [email protected]
*/
public class Output
extends PrintWriter
{
//
private static void logFine(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.FINE, message, args);
}
private static void logFiner(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.FINER, message, args);
}
private static void logFinest(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.FINEST, message, args);
}
private static void logInfo(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.INFO, message, args);
}
private static void logWarning(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.WARNING, message, args);
}
private static void logSevere(String message,Object ... args){
Logger.getLogger(Output.class.getName()).log(Level.SEVERE, message, args);
}
private static void logException(Throwable ex){
Logger.getLogger(Output.class.getName()).log(Level.SEVERE, null, ex);
}
//
private final boolean autoFlush;
private EndLineReWriter endlineRewriter;
public Output( Writer out ) {
super(out);
endlineRewriter = createEndLineReWriter(out);
this.out = endlineRewriter;
autoFlush = false;
}
public Output( Writer out, boolean autoFlush ) {
super(out, autoFlush);
endlineRewriter = createEndLineReWriter(out);
this.out = endlineRewriter;
this.autoFlush = autoFlush;
}
public Output( OutputStream out ) {
super(out);
endlineRewriter = createEndLineReWriter(
new OutputStreamWriter(System.out, Charset.defaultCharset()) );
this.out = endlineRewriter;
autoFlush = false;
}
public Output( OutputStream out, boolean autoFlush ) {
super(out, autoFlush);
endlineRewriter = createEndLineReWriter(
new OutputStreamWriter(System.out, Charset.defaultCharset()) );
this.out = endlineRewriter;
this.autoFlush = autoFlush;
}
private EndLineReWriter createEndLineReWriter( Writer wr ){
return new EndLineReWriter( wr ){
@Override
protected void writeEndLine() throws IOException {
super.writeEndLine();
endLineWrited = true;
}
private void wpref() throws IOException {
if( endLineWrited ){
endLineWrited = false;
String pref = getLinePrefix();
if( pref!=null ){
String[] prefLines = Text.splitNewLines(pref);
for( String prefLine : prefLines )
super.write(prefLine);
}
}
}
@Override
protected void writeChar(char c0) throws IOException {
wpref();
super.writeChar(c0);
}
@Override
public void write(char[] cbuf, int off, int len) throws IOException {
wpref();
super.write(cbuf, off, len);
}
@Override
public Writer append(char c) throws IOException {
wpref();
return super.append(c);
}
@Override
public Writer append(CharSequence csq, int start, int end) throws IOException {
wpref();
return super.append(csq, start, end);
}
@Override
public Writer append(CharSequence csq) throws IOException {
wpref();
return super.append(csq);
}
@Override
public void write(String str, int off, int len) throws IOException {
wpref();
super.write(str, off, len);
}
@Override
public void write(String str) throws IOException {
wpref();
super.write(str);
}
@Override
public void write(char[] cbuf) throws IOException {
wpref();
super.write(cbuf);
}
@Override
public void write(int c) throws IOException {
wpref();
super.write(c);
}
};
}
public String getEndl(){
Object lo = this.lock;
if( lo!=null ){
synchronized(lo){
return getEndl0();
}
}else{
return getEndl0();
}
}
private String getEndl0(){
return endlineRewriter==null
? System.getProperty("line.separator", "\n")
: endlineRewriter.getEndl();
}
public void setEndl( String txt ){
Object lo = this.lock;
if( lo!=null ){
synchronized(lo){
setEndl0( txt );
}
}else{
setEndl0( txt );
}
}
private void setEndl0( String txt ){
if( endlineRewriter!=null ){
endlineRewriter.setEndl( txt==null ? EndLine.Default.get() : txt );
}
}
public void reset( Writer output ){
Object lo = this.lock;
if( lo!=null ){
synchronized(lo ){
this.flush();
endlineRewriter = createEndLineReWriter(
output==null
? new OutputStreamWriter(System.out, Charset.defaultCharset())
: output
);
this.out = endlineRewriter;
}
}else{
this.flush();
endlineRewriter = createEndLineReWriter(
output==null
? new OutputStreamWriter(System.out, Charset.defaultCharset())
: output
);
this.out = endlineRewriter;
}
}
public void reset(){
reset(null);
}
public void appendWriter( Writer w ){
if( w==null )throw new IllegalArgumentException( "w==null" );
Object lo = this.lock;
if( lo!=null ){
synchronized( lo ){
appendWriter0( w );
}
}else{
appendWriter0(w);
}
}
private void appendWriter0( Writer w ){
if( this.out instanceof UnionWriter ){
((UnionWriter)this.out).getWriters().add(w);
}else{
UnionWriter uw = new UnionWriter( this.out, w );
this.out = uw;
}
}
public void removeWriter( Writer writer ){
if( writer==null )throw new IllegalArgumentException( "writer==null" );
Object lo = this.lock;
if( lo!=null ){
synchronized( lo ){
if( this.out instanceof UnionWriter ){
UnionWriter uw = (UnionWriter)this.out;
uw.getWriters().remove(writer);
}
}
}else{
if( this.out instanceof UnionWriter ){
UnionWriter uw = (UnionWriter)this.out;
uw.getWriters().remove(writer);
}
}
}
public BasicTemplate.EasyTemplate template( String template ){
if( template==null )throw new IllegalArgumentException( "template==null" );
BasicTemplate.EasyTemplate tmpl = BasicTemplate.template(template);
tmpl.output(this);
tmpl.align();
tmpl.outputFlushing();
// tmpl.useJavaScript();
return tmpl;
}
@Override
public void write(char[] buf, int off, int len) {
Object lo = this.lock;
if( lo!=null ){
synchronized(lo){
write0(buf, off, len);
}
}else{
write0(buf, off, len);
}
}
private volatile boolean endLineWrited = true;
public boolean isEndLineWrited() {
return endLineWrited;
}
public void setEndLineWrited(boolean endLineWrited) {
this.endLineWrited = endLineWrited;
}
private volatile Func0 linePrefix;
public void setLinePrefixFn( Func0 fn ){
linePrefix = fn;
}
public Func0 getLinePrefixFn(){
return linePrefix;
}
public String getLinePrefix(){
Func0 lPrefix = linePrefix;
if( lPrefix==null )return null;
try{
String prefix = lPrefix.apply();
return prefix;
}catch( Throwable err ){
logException(err);
}
return null;
}
public void setLinePrefix( final String prefix ){
if( prefix==null ){
linePrefix = null;
return;
}
linePrefix = new Func0() {
@Override
public String apply() {
return prefix;
}
};
}
private void write0(char[] buf, int off, int len) {
// Func0 lPrefix = linePrefix;
// if( endLineWrited ){
// endLineWrited = false;
// if( lPrefix!=null ){
// try{
// String prefix = lPrefix.apply();
// if( prefix!=null && prefix.length()>0 ){
// char[] cbuf = new char[prefix.length()];
// prefix.getChars(0, cbuf.length, cbuf, 0);
// super.write(cbuf, 0, cbuf.length);
// }
// }catch( Throwable err ){
// logException(err);
// }
// }
// }
super.write(buf, off, len);
if( autoFlush ){
String s = new String(buf, off, len);
if( Text.splitNewLines(s).length>1 ){
flush();
}
}
}
}