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/*
* Copyright (C) 2012 Ed Schaller
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package net.darkmist.alib.escape;
import java.io.IOException;
import java.io.Writer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public interface Escaper
{
public String escape(int ch);
public String escape(String str);
// StringBuilder like methods
public StringBuilder escape(StringBuilder sb, int ch);
public StringBuilder escape(StringBuilder sb, String str);
public StringBuilder escape(StringBuilder sb, String str, int off, int len);
public StringBuilder escape(StringBuilder sb, CharSequence str);
public StringBuilder escape(StringBuilder sb, CharSequence str, int off, int len);
public StringBuilder escape(StringBuilder sb, char[] chars);
public StringBuilder escape(StringBuilder sb, char[] chars, int off, int len);
// StringBuffer like methods
public StringBuffer escape(StringBuffer sb, int ch);
public StringBuffer escape(StringBuffer sb, String str);
public StringBuffer escape(StringBuffer sb, String str, int off, int len);
public StringBuffer escape(StringBuffer sb, CharSequence str);
public StringBuffer escape(StringBuffer sb, CharSequence str, int off, int len);
public StringBuffer escape(StringBuffer sb, char[] chars);
public StringBuffer escape(StringBuffer sb, char[] chars, int off, int len);
// Appendable like methods
public Appendable escape(Appendable appendable, int ch) throws IOException;
public Appendable escape(Appendable appendable, String str) throws IOException;
public Appendable escape(Appendable appendable, String str, int off, int len) throws IOException;
public Appendable escape(Appendable appendable, CharSequence str) throws IOException;
public Appendable escape(Appendable appendable, CharSequence str, int start, int end) throws IOException;
public Appendable escape(Appendable appendable, char[] chars) throws IOException;
public Appendable escape(Appendable appendable, char[] chars, int off, int len) throws IOException;
/**
* Wrap a writer escaping all output
* @param out The writer to wrap.
* @return A writer that escapes all output and then writes it
* to out.
*/
public Writer escape(Writer out);
public abstract class Abstract implements Escaper
{
private static final Class CLASS = Abstract.class;
@SuppressWarnings("unused")
private static final Logger logger = LoggerFactory.getLogger(CLASS);
@Override
public String escape(int ch)
{
return escape(new StringBuilder(ch).toString());
}
@Override
public String escape(String str)
{
return escape(new StringBuilder(), str).toString();
}
@Override
public StringBuilder escape(StringBuilder sb, int ch)
{
try
{
escape((Appendable)sb, ch);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, String str)
{
try
{
escape((Appendable)sb, str);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, String str, int off, int len)
{
try
{
escape((Appendable)sb, str, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, CharSequence str)
{
try
{
escape((Appendable)sb, str);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, CharSequence str, int off, int len)
{
try
{
escape((Appendable)sb, str, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, char[] chars)
{
try
{
escape((Appendable)sb, chars);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuilder escape(StringBuilder sb, char[] chars, int off, int len)
{
try
{
escape((Appendable)sb, chars, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuilder cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, int ch)
{
try
{
escape((Appendable)sb, ch);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, String str)
{
try
{
escape((Appendable)sb, str);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, String str, int off, int len)
{
try
{
escape((Appendable)sb, str, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, CharSequence str)
{
try
{
escape((Appendable)sb, str);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, CharSequence str, int off, int len)
{
try
{
escape((Appendable)sb, str, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, char[] chars)
{
try
{
escape((Appendable)sb, chars);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public StringBuffer escape(StringBuffer sb, char[] chars, int off, int len)
{
try
{
escape((Appendable)sb, chars, off, len);
return sb;
}
catch(IOException e)
{
throw new IllegalStateException("IOException appending to StringBuffer cast to Appendable?", e);
}
}
@Override
public Appendable escape(Appendable appendable, int ch) throws IOException
{
return appendable.append(escape(ch));
}
@Override
public Appendable escape(Appendable appendable, String str) throws IOException
{
return escape(appendable, str, 0, str.length());
}
@Override
public Appendable escape(Appendable appendable, String str, int off, int len) throws IOException
{
int end = off + len;
int codePoints = str.codePointCount(off, end);
int codePointsBegin = str.codePointCount(0,off);
int codePointsEnd = codePointsBegin + codePoints;
//if(logger.isDebugEnabled())
//logger.debug("off=" + off + " len=" + len + " end=" + end);
for(int i=codePointsBegin; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy