Package org.apache.tools.ant.filters
Class ConcatFilter
java.lang.Object
java.io.Reader
java.io.FilterReader
org.apache.tools.ant.filters.BaseFilterReader
org.apache.tools.ant.filters.BaseParamFilterReader
org.apache.tools.ant.filters.ConcatFilter
- All Implemented Interfaces:
- Closeable,- AutoCloseable,- Readable,- ChainableReader,- Parameterizable
Concats a file before and/or after the file.
 
Example:
 <copy todir="build">
     <fileset dir="src" includes="*.java"/>
     <filterchain>
         <concatfilter prepend="apache-license-java.txt"/>
     </filterchain>
 </copy>
 
 Copies all java sources from src to build and adds the content of apache-license-java.txt add the beginning of each file.
- Since:
- 1.6
- Version:
- 2003-09-23
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Field SummaryFields inherited from class java.io.FilterReaderin
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Constructor SummaryConstructorsConstructorDescriptionConstructor for "dummy" instances.ConcatFilter(Reader in) Creates a new filtered reader.
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Method SummaryModifier and TypeMethodDescriptionCreates a new ConcatReader using the passed in Reader for instantiation.Returns append attribute.Returns prepend attribute.intread()Returns the next character in the filtered stream.voidSets append attribute.voidsetPrepend(File prepend) Sets prepend attribute.Methods inherited from class org.apache.tools.ant.filters.BaseParamFilterReadergetParameters, setParametersMethods inherited from class org.apache.tools.ant.filters.BaseFilterReadergetInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skipMethods inherited from class java.io.FilterReaderclose, mark, markSupported, ready, resetMethods inherited from class java.io.ReadernullReader, read, read, transferTo
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Constructor Details- 
ConcatFilterpublic ConcatFilter()Constructor for "dummy" instances.- See Also:
 
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ConcatFilterCreates a new filtered reader.- Parameters:
- in- A Reader object providing the underlying stream. Must not be- null.
 
 
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Method Details- 
readReturns the next character in the filtered stream. If the desired number of lines have already been read, the resulting stream is effectively at an end. Otherwise, the next character from the underlying stream is read and returned.- Overrides:
- readin class- FilterReader
- Returns:
- the next character in the resulting stream, or -1 if the end of the resulting stream has been reached
- Throws:
- IOException- if the underlying stream throws an IOException during reading
 
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setPrepend
- 
getPrepend
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setAppend
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getAppend
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chainCreates a new ConcatReader using the passed in Reader for instantiation.- Specified by:
- chainin interface- ChainableReader
- Parameters:
- rdr- A Reader object providing the underlying stream. Must not be- null.
- Returns:
- a new filter based on this configuration, but filtering the specified reader
 
 
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