1 files changed, 80 insertions, 0 deletions
diff --git a/core/java/android/webkit/DataLoader.java b/core/java/android/webkit/DataLoader.java
new file mode 100644
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+++ b/core/java/android/webkit/DataLoader.java
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+/*
+ * Copyright (C) 2007 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 android.webkit;
+
+import org.apache.http.protocol.HTTP;
+
+import android.net.http.Headers;
+
+import java.io.ByteArrayInputStream;
+
+/**
+ * This class is a concrete implementation of StreamLoader that uses the
+ * content supplied as a URL as the source for the stream. The mimetype
+ * optionally provided in the URL is extracted and inserted into the HTTP
+ * response headers.
+ */
+class DataLoader extends StreamLoader {
+
+    private String mContentType;  // Content mimetype, if supplied in URL
+
+    /**
+     * Constructor uses the dataURL as the source for an InputStream
+     * @param dataUrl data: URL string optionally containing a mimetype
+     * @param loadListener LoadListener to pass the content to
+     */
+    DataLoader(String dataUrl, LoadListener loadListener) {
+        super(loadListener);
+
+        String url = dataUrl.substring("data:".length());
+        String content;
+        int commaIndex = url.indexOf(',');
+        if (commaIndex != -1) {
+            mContentType = url.substring(0, commaIndex);
+            content = url.substring(commaIndex + 1);
+        } else {
+            content = url;
+        }
+        mDataStream = new ByteArrayInputStream(content.getBytes());
+        mContentLength = content.length();
+    }
+
+    @Override
+    protected boolean setupStreamAndSendStatus() {
+        mHandler.status(1, 1, 0, "OK");
+        return true;
+    }
+
+    @Override
+    protected void buildHeaders(Headers headers) {
+        if (mContentType != null) {
+            headers.setContentType(mContentType);
+        }
+    }
+
+    /**
+     * Construct a DataLoader and instruct it to start loading.
+     *
+     * @param url data: URL string optionally containing a mimetype
+     * @param loadListener LoadListener to pass the content to
+     */
+    public static void requestUrl(String url, LoadListener loadListener) {
+        DataLoader loader = new DataLoader(url, loadListener);
+        loader.load();
+    }
+
+}