1 files changed, 97 insertions, 0 deletions
diff --git a/tests/src/com/android/gallery3d/exif/ExifXmlReader.java b/tests/src/com/android/gallery3d/exif/ExifXmlReader.java
new file mode 100644
index 000000000..ea748cc18
--- /dev/null
+++ b/tests/src/com/android/gallery3d/exif/ExifXmlReader.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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 com.android.gallery3d.exif;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+public class ExifXmlReader {
+
+    private static final String XML_EXIF_TAG = "exif";
+    private static final String XML_IFD_TAG = "ifd";
+    private static final String XML_IFD_NAME = "name";
+    private static final String XML_TAG = "tag";
+    private static final String XML_IFD0 = "ifd0";
+    private static final String XML_IFD1 = "ifd1";
+    private static final String XML_EXIF_IFD = "exif-ifd";
+    private static final String XML_INTEROPERABILITY_IFD = "interoperability-ifd";
+    private static final String XML_TAG_ID = "id";
+
+    public static void readXml(XmlPullParser parser, HashMap<Short, String> ifd0,
+            HashMap<Short, String> ifd1, HashMap<Short, String> exifIfd,
+            HashMap<Short, String> interoperabilityIfd) throws XmlPullParserException,
+            IOException {
+
+        while (parser.next() != XmlPullParser.END_DOCUMENT) {
+            if (parser.getEventType() == XmlPullParser.START_TAG) {
+                break;
+            }
+        }
+
+        assert(parser.getName().equals(XML_EXIF_TAG));
+
+        parser.require(XmlPullParser.START_TAG, null, XML_EXIF_TAG);
+        while (parser.next() != XmlPullParser.END_TAG) {
+            if (parser.getEventType() == XmlPullParser.START_TAG) {
+                readXmlIfd(parser, ifd0, ifd1, exifIfd, interoperabilityIfd);
+            }
+        }
+        parser.require(XmlPullParser.END_TAG, null, XML_EXIF_TAG);
+    }
+
+    private static void readXmlIfd(XmlPullParser parser, HashMap<Short, String> ifd0,
+            HashMap<Short, String> ifd1, HashMap<Short, String> exifIfd,
+            HashMap<Short, String> interoperabilityIfd) throws XmlPullParserException,
+            IOException {
+        parser.require(XmlPullParser.START_TAG, null, XML_IFD_TAG);
+        String name = parser.getAttributeValue(null, XML_IFD_NAME);
+        HashMap<Short, String> ifdData = null;
+        if (XML_IFD0.equals(name)) {
+            ifdData = ifd0;
+        } else if (XML_IFD1.equals(name)) {
+            ifdData = ifd1;
+        } else if (XML_EXIF_IFD.equals(name)) {
+            ifdData = exifIfd;
+        } else if (XML_INTEROPERABILITY_IFD.equals(name)) {
+            ifdData = interoperabilityIfd;
+        } else {
+            throw new RuntimeException("Unknown IFD name in xml file: " + name);
+        }
+        while (parser.next() != XmlPullParser.END_TAG) {
+            if (parser.getEventType() == XmlPullParser.START_TAG) {
+                readXmlTag(parser, ifdData);
+            }
+        }
+        parser.require(XmlPullParser.END_TAG, null, XML_IFD_TAG);
+    }
+
+    private static void readXmlTag(XmlPullParser parser, HashMap<Short, String> data)
+        throws XmlPullParserException, IOException {
+        parser.require(XmlPullParser.START_TAG, null, XML_TAG);
+        short id = Integer.decode(parser.getAttributeValue(null, XML_TAG_ID)).shortValue();
+        String value = "";
+        if (parser.next() == XmlPullParser.TEXT) {
+            value = parser.getText();
+            parser.next();
+        }
+        data.put(id, value);
+        parser.require(XmlPullParser.END_TAG, null, XML_TAG);
+    }
+}