Add String-based Bucket implementation.

diff --git a/src/main/java/net/pterodactylus/sone/freenet/StringBucket.java b/src/main/java/net/pterodactylus/sone/freenet/StringBucket.java
new file mode 100644 (file)
index 0000000..2e2a102
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/freenet/StringBucket.java
@@ -0,0 +1,147 @@
+/*
+ * FreenetSone - TemplateBucket.java - Copyright © 2010 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.freenet;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+
+import com.db4o.ObjectContainer;
+
+import freenet.support.api.Bucket;
+
+/**
+ * {@link Bucket} implementation wrapped around a {@link String}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class StringBucket implements Bucket {
+
+       /** The string to deliver. */
+       private final String string;
+
+       /** The encoding for the data. */
+       private final Charset encoding;
+
+       /**
+        * Creates a new string bucket using the default encoding.
+        *
+        * @param string
+        *            The string to wrap
+        */
+       public StringBucket(String string) {
+               this(string, Charset.defaultCharset());
+       }
+
+       /**
+        * Creates a new string bucket, using the given encoding to create a byte
+        * array from the string.
+        *
+        * @param string
+        *            The string to wrap
+        * @param encoding
+        *            The encoding of the data
+        */
+       public StringBucket(String string, Charset encoding) {
+               this.string = string;
+               this.encoding = encoding;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public Bucket createShadow() throws IOException {
+               return new StringBucket(string);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void free() {
+               /* ignore. */
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public InputStream getInputStream() throws IOException {
+               return new ByteArrayInputStream(string.getBytes(encoding));
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public String getName() {
+               return getClass().getName() + "@" + hashCode();
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public OutputStream getOutputStream() throws IOException {
+               return null;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public boolean isReadOnly() {
+               return true;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void removeFrom(ObjectContainer objectContainer) {
+               /* ignore. */
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void setReadOnly() {
+               /* ignore, it is already read-only. */
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public long size() {
+               return string.getBytes(encoding).length;
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public void storeTo(ObjectContainer objectContainer) {
+               /* ignore. */
+       }
+
+}