Add metadata parcel

src/org/openintents/openpgp/OpenPgpDecryptMetadata.java

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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 org.openintents.openpgp;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Parcelable versioning has been copied from Dashclock Widget
+ * https://code.google.com/p/dashclock/source/browse/api/src/main/java/com/google/android/apps/dashclock/api/ExtensionData.java
+ */
+public class OpenPgpDecryptMetadata implements Parcelable {
+    /**
+     * Since there might be a case where new versions of the client using the library getting
+     * old versions of the protocol (and thus old versions of this class), we need a versioning
+     * system for the parcels sent between the clients and the providers.
+     */
+    public static final int PARCELABLE_VERSION = 1;
+
+    String filename;
+    long modificationTime;
+    int format;
+    long originalSize;
+
+    public String getFilename() {
+        return filename;
+    }
+
+    public long getModificationTime() {
+        return modificationTime;
+    }
+
+    public long getOriginalSize() {
+        return originalSize;
+    }
+
+    public int getFormat() {
+        return format;
+    }
+
+    public OpenPgpDecryptMetadata() {
+    }
+
+    public OpenPgpDecryptMetadata(String filename, long modificationTime,
+                                  int format, long originalSize) {
+        this.filename = filename;
+        this.modificationTime = modificationTime;
+        this.format = format;
+        this.originalSize = originalSize;
+    }
+
+    public OpenPgpDecryptMetadata(OpenPgpDecryptMetadata b) {
+        this.filename = b.filename;
+        this.modificationTime = b.modificationTime;
+        this.format = b.format;
+        this.originalSize = b.originalSize;
+    }
+
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel dest, int flags) {
+        /**
+         * NOTE: When adding fields in the process of updating this API, make sure to bump
+         * {@link #PARCELABLE_VERSION}.
+         */
+        dest.writeInt(PARCELABLE_VERSION);
+        // Inject a placeholder that will store the parcel size from this point on
+        // (not including the size itself).
+        int sizePosition = dest.dataPosition();
+        dest.writeInt(0);
+        int startPosition = dest.dataPosition();
+        // version 1
+        dest.writeString(filename);
+        dest.writeLong(modificationTime);
+        dest.writeInt(format);
+        dest.writeLong(originalSize);
+        // Go back and write the size
+        int parcelableSize = dest.dataPosition() - startPosition;
+        dest.setDataPosition(sizePosition);
+        dest.writeInt(parcelableSize);
+        dest.setDataPosition(startPosition + parcelableSize);
+    }
+
+    public static final Creator<OpenPgpDecryptMetadata> CREATOR = new Creator<OpenPgpDecryptMetadata>() {
+        public OpenPgpDecryptMetadata createFromParcel(final Parcel source) {
+            int parcelableVersion = source.readInt();
+            int parcelableSize = source.readInt();
+            int startPosition = source.dataPosition();
+
+            OpenPgpDecryptMetadata vr = new OpenPgpDecryptMetadata();
+            vr.filename = source.readString();
+            vr.modificationTime = source.readLong();
+            vr.format = source.readInt();
+            vr.originalSize = source.readLong();
+
+            // skip over all fields added in future versions of this parcel
+            source.setDataPosition(startPosition + parcelableSize);
+
+            return vr;
+        }
+
+        public OpenPgpDecryptMetadata[] newArray(final int size) {
+            return new OpenPgpDecryptMetadata[size];
+        }
+    };
+
+    @Override
+    public String toString() {
+        String out = new String();
+        out += "\nfilename: " + filename;
+        out += "\nmodificationTime: " + modificationTime;
+        out += "\nformat: " + format;
+        out += "\noriginalSize: " + originalSize;
+        return out;
+    }
+
+}