Initial commit

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@2 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 87 insertions, 0 deletions

diff --git a/common/src/at/gv/egovernment/moa/util/FileUtils.java b/common/src/at/gv/egovernment/moa/util/FileUtils.java
new file mode 100644
index 000000000..f8941568d
--- /dev/null
+++ b/common/src/at/gv/egovernment/moa/util/FileUtils.java
@@ -0,0 +1,87 @@
+package at.gv.egovernment.moa.util;
+
+import java.io.BufferedInputStream;
+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);
+  }
+}