public final class PrefixLines extends BaseParamFilterReader implements ChainableReader
<prefixlines prefix="Foo"/>Or:
<filterreader classname="org.apache.tools.ant.filters.PrefixLines"> <param name="prefix" value="Foo"/> </filterreader>
Constructor and Description |
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PrefixLines()
Constructor for "dummy" instances.
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PrefixLines(java.io.Reader in)
Creates a new filtered reader.
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Modifier and Type | Method and Description |
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java.io.Reader |
chain(java.io.Reader rdr)
Creates a new PrefixLines filter using the passed in
Reader for instantiation.
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int |
read()
Returns the next character in the filtered stream.
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void |
setPrefix(java.lang.String prefix)
Sets the prefix to add at the start of each input line.
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getParameters, setParameters
getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip
public PrefixLines()
BaseFilterReader.BaseFilterReader()
public PrefixLines(java.io.Reader in)
in
- A Reader object providing the underlying stream.
Must not be null
.public int read() throws java.io.IOException
read
in class java.io.FilterReader
java.io.IOException
- if the underlying stream throws an IOException
during readingpublic void setPrefix(java.lang.String prefix)
prefix
- The prefix to add at the start of each input line.
May be null
, in which case no prefix
is added.public java.io.Reader chain(java.io.Reader rdr)
chain
in interface ChainableReader
rdr
- A Reader object providing the underlying stream.
Must not be null
.