/*license*\
XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)
This software is dual-licensed under the:
- Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
- Apache Software License (ASL) version 2.0.
Either license may be applied at your discretion. More information may be found at
- http://en.wikipedia.org/wiki/Multi-licensing.
The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
- LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
- ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package com.github.xbn.io;
import com.github.xbn.lang.CrashIfObject;
import com.github.xbn.text.CrashIfString;
import java.io.IOException;
import static com.github.xbn.lang.XbnConstants.*;
/**
<p>{@code TextAppender} that writes to two or more destinations.</p>
* @author Copyright (C) 2014, Jeff Epstein, dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for detapndrils. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
**/
public class MultiTextAppender extends TextAppender {
private final TextAppender[] tappenders;
public MultiTextAppender(TextAppender tappender_1, TextAppender... tappenders_2andUp) {
if(tappender_1 == null) {
throw new NullPointerException("tappender_1");
}
CrashIfString.nullEmpty(tappenders_2andUp, "tappenders_2andUp", null);
tappenders = new TextAppender[tappenders_2andUp.length + 1];
tappenders[0] = tappender_1;
for(int i = 0; i < tappenders_2andUp.length; i++) {
tappenders[i + 1] = tappenders_2andUp[i];
}
}
public MultiTextAppender append(char chr) throws IOException {
for(TextAppender tapndr : tappenders) {
tapndr.append(chr);
}
return this;
}
public MultiTextAppender append(CharSequence text) throws IOException {
for(TextAppender tapndr : tappenders) {
tapndr.append(text);
}
return this;
}
public MultiTextAppender append(CharSequence text, int idx_stapndrrt, int idx_endX) throws IOException {
for(TextAppender tapndr : tappenders) {
tapndr.append(text, idx_stapndrrt, idx_endX);
}
return this;
}
public void flushRtx() {
for(TextAppender tapndr : tappenders) {
tapndr.flushRtx();
}
}
public void closeRtx() {
for(TextAppender tapndr : tappenders) {
tapndr.closeRtx();
}
}
/**
* @return <code>{@link #appendToString(StringBuilder) appendToString}(new StringBuilder()).toString()</code>
*/
public String toString() {
return appendToString(new StringBuilder()).toString();
}
/**
* @param to_appendTo May not be {@code null}.
* @see #toString()
*/
public StringBuilder appendToString(StringBuilder to_appendTo) {
try {
to_appendTo.append("All appenders:").append(LINE_SEP);
} catch(RuntimeException rx) {
throw CrashIfObject.nullOrReturnCause(to_appendTo, "to_appendTo", null, rx);
}
int lenMinus1 = tappenders.length - 1;
for(int i = 0; i < tappenders.length; i++) {
TextAppender tapdr = tappenders[i];
to_appendTo.append(" - ").append(tapdr);
if(i < lenMinus1) {
to_appendTo.append(LINE_SEP);
}
}
return to_appendTo;
}
}