Examples of org.apache.tools.ant.util.SourceFileScanner

org.apache.tools.ant.util.SourceFileScanner
Utility class that collects the functionality of the various scanDir methods that have been scattered in several tasks before.
The only method returns an array of source files. The array is a subset of the files given as a parameter and holds only those that are newer than their corresponding target files.
@author Stefan Bodewig

        boolean upToDate = true;
        if (sourceFile != null) {
            if (mapperElement == null) {
                upToDate = targetFile.lastModified() >= sourceFile.lastModified();
            } else {
                SourceFileScanner sfs = new SourceFileScanner(this);
                upToDate = sfs.restrict(new String[] {sourceFile.getAbsolutePath()},
                                  null, null,
                                  mapperElement.getImplementation()).length == 0;
            }
        }

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     * @param srcDir the directory
     * @param files the files to scan for
     * @return true if the files are up to date
     */
    protected boolean scanDir(File srcDir, String[] files) {
        SourceFileScanner sfs = new SourceFileScanner(this);
        FileNameMapper mapper = getMapper();
        File dir = srcDir;
        if (mapperElement == null) {
            dir = null;
        }
        return sfs.restrict(files, srcDir, dir, mapper).length == 0;
    }

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            m = mapper.getImplementation();
        }


        scanner = getDirectoryScanner(srcDir);
        files = scanner.getIncludedFiles();
        SourceFileScanner sfs = new SourceFileScanner(this);
        files = sfs.restrict(files, srcDir, destDir, m);
        int count = files.length;
        if (count == 0) {
            return;
        }
        String message = "Converting " + count + " file"

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            }
        }
    }


    protected boolean scanDir(File srcDir, String[] files) {
        SourceFileScanner sfs = new SourceFileScanner(this);
        FileNameMapper mapper = null;
        File dir = srcDir;
        if (mapperElement == null) {
            MergingMapper mm = new MergingMapper();
            mm.setTo(_targetFile.getAbsolutePath());
            mapper = mm;
            dir = null;
        } else {
            mapper = mapperElement.getImplementation();
        }
        return sfs.restrict(files, srcDir, dir, mapper).length == 0;
    }

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            m = mapper.getImplementation();
        }
        
        scanner = getDirectoryScanner(srcDir);
        files = scanner.getIncludedFiles();
        SourceFileScanner sfs = new SourceFileScanner(this);
        files = sfs.restrict(files, srcDir, destDir, m);
        int count = files.length;
        if (count == 0) {
            return;
        }
        String message = "Converting " + count + " file"

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        } else if (iiop 
                   && iiopopts != null && iiopopts.indexOf("-always") > -1) {
            log("no uptodate test as -always option has been specified",
                Project.MSG_VERBOSE);
        } else {
            SourceFileScanner sfs = new SourceFileScanner(this);
            newFiles = sfs.restrict(files, baseDir, baseDir, mapper);
        }


        for (int i = 0; i < newFiles.length; i++) {
            String classname = newFiles[i].replace(File.separatorChar, '.');
            classname = classname.substring(0, classname.lastIndexOf(".class"));

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     */
    protected void scanDir(File srcDir, File destDir, String[] files) {
        GlobPatternMapper m = new GlobPatternMapper();
        m.setFrom("*.java");
        m.setTo("*.class");
        SourceFileScanner sfs = new SourceFileScanner(this);
        File[] newFiles = sfs.restrictAsFiles(files, srcDir, destDir, m);


        if (newFiles.length > 0) {
            File[] newCompileList = new File[compileList.length +
                newFiles.length];
            System.arraycopy(compileList, 0, newCompileList, 0,

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            if (!zipFile.exists()) {
                return false;
            }


            SourceFileScanner sfs = new SourceFileScanner(this);
            MergingMapper mm = new MergingMapper();
            mm.setTo(zipFile.getAbsolutePath());
            for (int i = 0; i < scanners.length; i++) {
                if (sfs.restrict(fileNames[i], scanners[i].getBasedir(), null,
                                 mm).length > 0) {
                    return false;
                }
            }
            return true;

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                }
            }
            toCopy = new String[v.size()];
            v.copyInto(toCopy);
        } else {
            SourceFileScanner ds = new SourceFileScanner(this);
            toCopy = ds.restrict(names, fromDir, toDir, mapper);
        }


        for (int i = 0; i < toCopy.length; i++) {
            File src = new File(fromDir, toCopy[i]);
            File dest = new File(toDir, mapper.mapFileName(toCopy[i])[0]);

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            }
        }
    }


    protected boolean archiveIsUpToDate(String[] files) {
        SourceFileScanner sfs = new SourceFileScanner(this);
        MergingMapper mm = new MergingMapper();
        mm.setTo(tarFile.getAbsolutePath());
        return sfs.restrict(files, baseDir, null, mm).length == 0;
    }

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