public final class HeadFilter extends BaseParamFilterReader implements ChainableReader
n lines of a stream.
 (Default is first 10 lines.)
 Example:
<headfilter lines="3"/>Or:
<filterreader classname="org.apache.tools.ant.filters.HeadFilter">
    <param name="lines" value="3"/>
 </filterreader>| Constructor and Description | 
|---|
| HeadFilter()Constructor for "dummy" instances. | 
| HeadFilter(java.io.Reader in)Creates a new filtered reader. | 
| Modifier and Type | Method and Description | 
|---|---|
| java.io.Reader | chain(java.io.Reader rdr)Creates a new HeadFilter using the passed in
 Reader for instantiation. | 
| int | read()Returns the next character in the filtered stream. | 
| void | setLines(long lines)Sets the number of lines to be returned in the filtered stream. | 
| void | setSkip(long skip)Sets the number of lines to be skipped in the filtered stream. | 
getParameters, setParametersgetInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skippublic HeadFilter()
BaseFilterReader()public HeadFilter(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.FilterReaderjava.io.IOException - if the underlying stream throws an IOException
 during readingpublic void setLines(long lines)
lines - the number of lines to be returned in the filtered streampublic void setSkip(long skip)
skip - the number of lines to be skipped in the filtered streampublic java.io.Reader chain(java.io.Reader rdr)
chain in interface ChainableReaderrdr - A Reader object providing the underlying stream.
            Must not be null.