Package org.apache.tools.ant.filters
Class TabsToSpaces
- java.lang.Object
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- java.io.Reader
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- java.io.FilterReader
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- org.apache.tools.ant.filters.BaseFilterReader
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- org.apache.tools.ant.filters.BaseParamFilterReader
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- org.apache.tools.ant.filters.TabsToSpaces
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- All Implemented Interfaces:
java.io.Closeable,java.lang.AutoCloseable,java.lang.Readable,ChainableReader,Parameterizable
public final class TabsToSpaces extends BaseParamFilterReader implements ChainableReader
Converts tabs to spaces. Example:<tabstospaces tablength="8"/>
Or:<filterreader classname="org.apache.tools.ant.filters.TabsToSpaces"> <param name="tablength" value="8"/> </filterreader>
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Constructor Summary
Constructors Constructor Description TabsToSpaces()Constructor for "dummy" instances.TabsToSpaces(java.io.Reader in)Creates a new filtered reader.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.io.Readerchain(java.io.Reader rdr)Creates a new TabsToSpaces using the passed in Reader for instantiation.intread()Returns the next character in the filtered stream, converting tabs to the specified number of spaces.voidsetTablength(int tabLength)Sets the tab length.-
Methods inherited from class org.apache.tools.ant.filters.BaseParamFilterReader
getParameters, setParameters
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Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader
getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip
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Constructor Detail
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TabsToSpaces
public TabsToSpaces()
Constructor for "dummy" instances.- See Also:
BaseFilterReader()
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TabsToSpaces
public TabsToSpaces(java.io.Reader in)
Creates a new filtered reader.- Parameters:
in- A Reader object providing the underlying stream. Must not benull.
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Method Detail
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read
public int read() throws java.io.IOExceptionReturns the next character in the filtered stream, converting tabs to the specified number of spaces.- Overrides:
readin classjava.io.FilterReader- Returns:
- the next character in the resulting stream, or -1 if the end of the resulting stream has been reached
- Throws:
java.io.IOException- if the underlying stream throws an IOException during reading
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setTablength
public void setTablength(int tabLength)
Sets the tab length.- Parameters:
tabLength- the number of spaces to be used when converting a tab.
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chain
public java.io.Reader chain(java.io.Reader rdr)
Creates a new TabsToSpaces using the passed in Reader for instantiation.- Specified by:
chainin interfaceChainableReader- Parameters:
rdr- A Reader object providing the underlying stream. Must not benull.- Returns:
- a new filter based on this configuration, but filtering the specified reader
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