element.");
- }
- }
-
- /**
- * The heart of the matter. This is where the selector gets to decide
- * on the inclusion of a file in a particular fileset.
- *
- * @param basedir the base directory the scan is being done from
- * @param filename is the name of the file to check
- * @param file is a java.io.File object the selector can use
- * @return whether the file should be selected or not
- */
- public boolean isSelected(File basedir, String filename, File file) {
-
- // throw BuildException on error
- validate();
-
- // Determine file whose out-of-dateness is to be checked
- String[] destfiles = map.mapFileName(filename);
- // If filename does not match the To attribute of the mapper
- // then filter it out of the files we are considering
- if (destfiles == null) {
- return false;
- }
- // Sanity check
- if (destfiles.length != 1 || destfiles[0] == null) {
- throw new BuildException("Invalid destination file results for "
- + targetdir.getName() + " with filename " + filename);
- }
- String destname = destfiles[0];
- File destfile = new File(targetdir,destname);
-
- return SelectorUtils.isOutOfDate(file, destfile, granularity);
+ public boolean selectionTest(File srcfile, File destfile) {
+ boolean selected=SelectorUtils.isOutOfDate(srcfile, destfile, granularity);
+ return selected;
}
}
diff --git a/src/main/org/apache/tools/ant/types/selectors/DifferentSelector.java b/src/main/org/apache/tools/ant/types/selectors/DifferentSelector.java
new file mode 100644
index 000000000..9e6c0d6a8
--- /dev/null
+++ b/src/main/org/apache/tools/ant/types/selectors/DifferentSelector.java
@@ -0,0 +1,130 @@
+/*
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Ant", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Group.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * .
+ */
+
+package org.apache.tools.ant.types.selectors;
+
+import org.apache.tools.ant.util.FileUtils;
+import org.apache.tools.ant.BuildException;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * This selector selects files against a mapped set of target files, selecting all those
+ * files which are different. A byte-by-byte comparision is performed on equal length files;
+ * files with different lengths are deemed different automatically; files with identical timestamps
+ * are viewed as matching by default, unless you specify otherwise.
+ *
+ * This is a useful selector to work with programs and tasks that don't handle
+ * dependency checking properly; Even if a predecessor task always creates its
+ * output files, followup tasks can be driven off copies made with a different selector,
+ * so their dependencies are driven on the absolute state of the files, not a timestamp.
+ *
+ * Clearly, however, bulk file comparisons is inefficient; anything that can use
+ * timestamps is to be preferred. If this selector must be used, use it over as few files
+ * as possible, perhaps following it with an <uptodate;> to keep the descendent
+ * routines conditional.
+ *
+ */
+public class DifferentSelector extends MappingSelector {
+
+ private FileUtils fileUtils= FileUtils.newFileUtils();
+
+ private boolean ignoreFileTimes=false;
+
+
+ /**
+ * This flag tells the selector to ignore file times in the comparison
+ * @param ignoreFileTimes
+ */
+ public void setIgnoreFileTimes(boolean ignoreFileTimes) {
+ this.ignoreFileTimes = ignoreFileTimes;
+ }
+
+ /**
+ * this test is our selection test that compared the file with the destfile
+ * @param srcfile
+ * @param destfile
+ * @return
+ */
+ protected boolean selectionTest(File srcfile, File destfile) {
+
+ //if either of them is missing, they are different
+ if (srcfile.exists() != destfile.exists()) {
+ return true;
+ }
+
+ if (srcfile.length() != destfile.length()) {
+ // different size =>different files
+ return true;
+ }
+
+ //same date if dest timestamp is within granularity of the srcfile
+ boolean sameDate;
+ sameDate = destfile.lastModified() >= srcfile.lastModified() - granularity
+ && destfile.lastModified() <= srcfile.lastModified() + granularity;
+
+ //and when ignoreFileTimes is set we claim the files are now equal
+ if(sameDate && !ignoreFileTimes) {
+ return true;
+ }
+
+ //here do a bulk comparison
+ try {
+ return !fileUtils.contentEquals(srcfile,destfile);
+ } catch (IOException e) {
+ throw new BuildException("while comparing "+srcfile+" and "+destfile,e);
+ }
+ }
+}
diff --git a/src/main/org/apache/tools/ant/types/selectors/MappingSelector.java b/src/main/org/apache/tools/ant/types/selectors/MappingSelector.java
new file mode 100644
index 000000000..83131b4d8
--- /dev/null
+++ b/src/main/org/apache/tools/ant/types/selectors/MappingSelector.java
@@ -0,0 +1,172 @@
+/*
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Ant", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Group.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * .
+ */
+
+package org.apache.tools.ant.types.selectors;
+
+import org.apache.tools.ant.types.Mapper;
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.taskdefs.condition.Os;
+import org.apache.tools.ant.util.IdentityMapper;
+import org.apache.tools.ant.util.FileNameMapper;
+
+import java.io.File;
+
+/**
+ * A mapping selector is an abstract class adding mapping support to the base
+ * selector
+ */
+public abstract class MappingSelector extends BaseSelector {
+ protected File targetdir = null;
+ protected Mapper mapperElement = null;
+ protected FileNameMapper map = null;
+ protected int granularity = 0;
+
+ public MappingSelector() {
+ if (Os.isFamily("dos")) {
+ granularity = 2000;
+ }
+ }
+
+
+ /**
+ * The name of the file or directory which is checked for out-of-date
+ * files.
+ *
+ * @param targetdir the directory to scan looking for files.
+ */
+ public void setTargetdir(File targetdir) {
+ this.targetdir = targetdir;
+ }
+
+ /**
+ * Defines the FileNameMapper to use (nested mapper element).
+ */
+ public Mapper createMapper() throws BuildException {
+ if (mapperElement != null) {
+ throw new BuildException("Cannot define more than one mapper");
+ }
+ mapperElement = new Mapper(getProject());
+ return mapperElement;
+ }
+
+ /**
+ * Checks to make sure all settings are kosher. In this case, it
+ * means that the dest attribute has been set and we have a mapper.
+ */
+ public void verifySettings() {
+ if (targetdir == null) {
+ setError("The targetdir attribute is required.");
+ }
+ if (mapperElement == null) {
+ map = new IdentityMapper();
+ }
+ else {
+ map = mapperElement.getImplementation();
+ }
+ if (map == null) {
+ setError("Could not set element.");
+ }
+ }
+
+ /**
+ * The heart of the matter. This is where the selector gets to decide
+ * on the inclusion of a file in a particular fileset.
+ *
+ * @param basedir the base directory the scan is being done from
+ * @param filename is the name of the file to check
+ * @param file is a java.io.File object the selector can use
+ * @return whether the file should be selected or not
+ */
+ public boolean isSelected(File basedir, String filename, File file) {
+
+ // throw BuildException on error
+ validate();
+
+ // Determine file whose out-of-dateness is to be checked
+ String[] destfiles = map.mapFileName(filename);
+ // If filename does not match the To attribute of the mapper
+ // then filter it out of the files we are considering
+ if (destfiles == null) {
+ return false;
+ }
+ // Sanity check
+ if (destfiles.length != 1 || destfiles[0] == null) {
+ throw new BuildException("Invalid destination file results for "
+ + targetdir.getName() + " with filename " + filename);
+ }
+ String destname = destfiles[0];
+ File destfile = new File(targetdir,destname);
+
+ boolean selected = selectionTest(file, destfile);
+ return selected;
+ }
+
+ /**
+ * this test is our selection test that compared the file with the destfile
+ * @param srcfile file to test; may be null
+ * @param destfile destination file
+ * @return
+ */
+ protected abstract boolean selectionTest(File srcfile, File destfile);
+
+ /**
+ * Sets the number of milliseconds leeway we will give before we consider
+ * a file out of date. Defaults to 2000 on MS-DOS derivatives as the FAT file
+ * system.
+ */
+ public void setGranularity(int granularity) {
+ this.granularity = granularity;
+ }
+
+}