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Diffstat (limited to 'common/src/at/gv/egovernment/moa/util/FileUtils.java')
-rw-r--r--common/src/at/gv/egovernment/moa/util/FileUtils.java87
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);
+ }
+}