Examples with ChainReaderHelper org.apache.tools.ant.filters.util.ChainReaderHelper used on opensource projects

Example 6 with ChainReaderHelper

use of org.apache.tools.ant.filters.util.ChainReaderHelper in project ant by apache.

the class FilterMapper method mapFileName.

/**
 * Return the result of the filters on the sourcefilename.
 * @param sourceFileName the filename to map
 * @return  a one-element array of converted filenames, or null if
 *          the filterchain returns an empty string.
 */
@Override
public String[] mapFileName(String sourceFileName) {
    if (sourceFileName == null) {
        return null;
    }
    try {
        Reader stringReader = new StringReader(sourceFileName);
        ChainReaderHelper helper = new ChainReaderHelper();
        helper.setBufferSize(BUFFER_SIZE);
        helper.setPrimaryReader(stringReader);
        helper.setProject(getProject());
        Vector<FilterChain> filterChains = new Vector<>();
        filterChains.add(this);
        helper.setFilterChains(filterChains);
        String result = FileUtils.safeReadFully(helper.getAssembledReader());
        if (result.isEmpty()) {
            return null;
        }
        return new String[] { result };
    } catch (BuildException ex) {
        throw ex;
    } catch (Exception ex) {
        throw new BuildException(ex);
    }
}

Example 7 with ChainReaderHelper

use of org.apache.tools.ant.filters.util.ChainReaderHelper in project ant by apache.

the class ResourceList method open.

private Reader open(Resource r) throws IOException {
    ChainReaderHelper crh = new ChainReaderHelper();
    crh.setPrimaryReader(new InputStreamReader(new BufferedInputStream(r.getInputStream()), encoding == null ? Charset.defaultCharset() : Charset.forName(encoding)));
    crh.setFilterChains(filterChains);
    crh.setProject(getProject());
    return crh.getAssembledReader();
}