Initial commit of code.

1 files changed, 193 insertions, 0 deletions

diff --git a/src/com/softsynth/util/FileSearch.java b/src/com/softsynth/util/FileSearch.java
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+++ b/src/com/softsynth/util/FileSearch.java
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+/*
+ * Copyright 1999 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.softsynth.util;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.util.Enumeration;
+import java.util.Vector;
+
+class WildcardFilenameFilter implements FilenameFilter {
+    String pattern;
+
+    public WildcardFilenameFilter(String pattern) {
+        this.pattern = pattern;
+    }
+
+    /* abc*frog*xyz =?= abctreefroglegxyz */
+    static boolean wildMatch(String pattern, String candidate) {
+        int starPos = pattern.indexOf('*');
+        // System.out.println("------pattern = " + pattern + ", candidate = " + candidate +
+        // ", starPos = " + starPos );
+        if (starPos < 0)
+            return (pattern.equalsIgnoreCase(candidate));
+        else if (starPos > 0) {
+            // System.out.println("------ beginning, pattern = " + pattern + ", candidate = " +
+            // candidate );
+            if (pattern.regionMatches(true, 0, candidate, 0, starPos)) {
+                /* Recursively check remainder of string. */
+                return wildMatch(pattern.substring(starPos), candidate.substring(starPos));
+            }
+            return false;
+        } else {
+            /* Compare remainder of string. */
+            // System.out.println("------ remainder, pattern = " + pattern + ", candidate = " +
+            // candidate );
+            if (pattern.regionMatches(true, 1, candidate, 0, candidate.length()))
+                return true;
+
+            for (int i = 0; i < candidate.length(); i++) {
+                if (wildMatch(pattern.substring(1), candidate.substring(i)))
+                    return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean accept(File dir, String name) {
+        return wildMatch(pattern, name);
+    }
+}
+
+/**
+ * Wildcard search for files in directory.
+ * 
+ * @author Phil Burk (C) 1999 SoftSynth.com
+ */
+
+public class FileSearch {
+    /**
+     * Expand vector of filenames that may contain wildcards into a new vector of filenames without
+     * wildcards.
+     */
+    public static Vector expandFilenames(Vector filenames) {
+        Vector expandedFilenames = new Vector();
+        Enumeration e = filenames.elements();
+        while (e.hasMoreElements()) {
+            expandFilename((String) e.nextElement(), expandedFilenames);
+        }
+        return expandedFilenames;
+    }
+
+    /**
+     * Expand filename that may contain wildcards and add to a vector of filenames without
+     * wildcards.
+     */
+    public static void expandFilename(String filename, Vector expandedFilenames) {
+        int lastSepPos = filename.lastIndexOf(File.separatorChar);
+
+        // System.out.println("expandFilename: separator = " + File.separatorChar + " , index = " +
+        // lastSepPos );
+
+        int starPos = filename.indexOf('*');
+        if (starPos < 0) {
+            expandedFilenames.addElement(filename);
+        } else if (starPos < lastSepPos) {
+            TextOutput.error("Wildcard * not allowed in directory names! " + filename);
+        } else {
+            String parent;
+            String wildFile;
+            if (lastSepPos < 0) {
+                parent = ".";
+                wildFile = filename;
+            } else {
+                parent = filename.substring(0, lastSepPos);
+                wildFile = filename.substring(lastSepPos + 1);
+            }
+
+            File dir = new File(parent);
+            // System.out.println("expandFilename: parent = " + parent + " , dir = " + dir );
+            if (!dir.exists()) {
+                TextOutput.error("Invalid directory = " + parent);
+            }
+
+            String[] files = dir.list(new WildcardFilenameFilter(wildFile));
+            if (files == null)
+                return;
+            for (int i = 0; i < files.length; i++) {
+                expandedFilenames.addElement(parent + File.separatorChar + files[i]);
+            }
+        }
+    }
+
+    /**
+     * Extract file name from full pathname. For example, if pathname is "/usr/data/report.txt" then
+     * the output will be "report.txt".
+     */
+    public static String removeParent(String pathName) {
+        int lastSepPos = pathName.lastIndexOf(File.separatorChar);
+        if (lastSepPos < 0) {
+            return pathName;
+        } else {
+            return pathName.substring(lastSepPos + 1);
+        }
+    }
+
+    /**
+     * Remove any dot extension from file name. For example, if pathname is "/usr/data/report.txt"
+     * then the output will be "/usr/data/report".
+     */
+    public static String removeExtension(String pathName) {
+        int lastDotPos = pathName.lastIndexOf('.');
+        if (lastDotPos > 0) {
+            return pathName.substring(0, lastDotPos);
+        } else {
+            return pathName;
+        }
+    }
+
+    public static void main(String args[]) {
+        System.out.println("FileSearch - by Phil Burk");
+        boolean result;
+        result = WildcardFilenameFilter.wildMatch("abc*frog*xyz", "abctreefroglegxyz");
+        System.out.println("result = " + result);
+        result = WildcardFilenameFilter.wildMatch("abc*frog*xyz", "abctreefrxglegxyz");
+        System.out.println("result = " + result);
+
+        test();
+    }
+
+    static void test() {
+        Vector expandedFilenames = new Vector();
+        expandFilename("../data/ov*.mid", expandedFilenames);
+        Enumeration e = expandedFilenames.elements();
+        while (e.hasMoreElements()) {
+            String name = (String) e.nextElement();
+            System.out.println("file = " + name);
+        }
+    }
+
+    /********************************************************
+     * Create directory if it doesn't exist.
+     */
+    public static void createDirectoryIfNeeded(String directoryName) throws SecurityException {
+        createDirectoryIfNeeded(new File(directoryName));
+    }
+
+    /********************************************************
+     * Create directory with the given name if it doesn't exist.
+     */
+    public static void createDirectoryIfNeeded(File dir) throws SecurityException {
+        if (!dir.isDirectory()) {
+            if (!dir.mkdirs()) {
+                TextOutput.error("Could not make output directory " + dir.getAbsolutePath());
+            }
+        }
+    }
+
+}