1 files changed, 131 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java
new file mode 100644
index 000000000..1368b41d2
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+++ b/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java
@@ -0,0 +1,131 @@
+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* 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 at.gv.egovernment.moa.util;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+/**
+ * Utility for accessing files on the file system, and for reading from input streams.
+ * @author Paul Ivancsics
+ * @version $Id$
+ */
+public class FileUtils {
+  
+  /**
+   * Reads a file, given by URL, into a byte array.
+   * @param urlString file URL
+   * @return file content
+   * @throws IOException on any exception thrown
+   */
+  public static byte[] readURL(String urlString) throws IOException {
+    URL url = new URL(urlString);
+    InputStream in = new BufferedInputStream(url.openStream());
+    byte[] content = StreamUtils.readStream(in);
+    in.close();
+    return content;
+  }
+  /**
+   * Reads a file, given by URL, into a String.
+   * @param urlString file URL
+   * @param encoding character encoding
+   * @return file content
+   * @throws IOException on any exception thrown
+   */
+  public static String readURL(String urlString, String encoding) throws IOException {
+    byte[] content = readURL(urlString);
+    return new String(content, encoding);
+  }
+  /**
+   * Reads a file, given by filename, into a byte array.
+   * @param filename filename
+   * @return file content
+   * @throws IOException on any exception thrown
+   */
+  public static byte[] readFile(String filename) throws IOException {
+    BufferedInputStream in = new BufferedInputStream(new FileInputStream(filename));
+    byte[] content = StreamUtils.readStream(in);
+    in.close();
+    return content;
+  }
+  /**
+   * Reads a file, given by filename, into a String.
+   * @param filename filename
+   * @param encoding character encoding
+   * @return file content
+   * @throws IOException on any exception thrown
+   */
+  public static String readFile(String filename, String encoding) throws IOException {
+    byte[] content = readFile(filename);
+    return new String(content, encoding);
+  }
+  /**
+   * Reads a file from a resource.
+   * @param name resource name
+   * @return file content as a byte array
+   * @throws IOException on any exception thrown
+   */
+  public static byte[] readResource(String name) throws IOException {
+    ClassLoader cl = FileUtils.class.getClassLoader();
+    BufferedInputStream in = new BufferedInputStream(cl.getResourceAsStream(name));
+    byte[] content = StreamUtils.readStream(in);
+    in.close();
+    return content;
+  }
+  /**
+   * Reads a file from a resource.
+   * @param name filename
+   * @param encoding character encoding
+   * @return file content
+   * @throws IOException on any exception thrown
+   */
+  public static String readResource(String name, String encoding) throws IOException {
+    byte[] content = readResource(name);
+    return new String(content, encoding);
+  }
+  
+	/**
+	 * Returns the absolute URL of a given url which is relative to the parameter root
+	 * @param url
+	 * @param root
+	 * @return String
+	 */
+	public static String makeAbsoluteURL(String url, String root) {
+		//if url is relative to rootConfigFileDirName make it absolute 					
+		
+    File keyFile;
+    String newURL = url;
+
+		if(null == url) return  null;
+    
+    if (url.startsWith("http:/") || url.startsWith("https:/") || url.startsWith("file:/") || url.startsWith("ftp:/")) {
+    	return url;
+    } else {
+      // check if absolute - if not make it absolute
+      keyFile = new File(url);
+      if (!keyFile.isAbsolute()) {
+        keyFile = new File(root, url);
+        newURL = keyFile.getPath();
+      }
+      return newURL;
+    }
+	}  
+  
+}