Searching in browsers cache (Chrome, Firefox)

trunk/src/com/jpexs/browsers/cache/CacheEntry.java

@@ -0,0 +1,91 @@
+package com.jpexs.browsers.cache;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.InflaterInputStream;
+
+/**
+ *
+ * @author JPEXS
+ */
+public abstract class CacheEntry {
+
+    public abstract String getRequestURL();
+
+    public abstract Map<String, String> getResponseHeaders();
+
+    public abstract String getStatusLine();
+
+    public abstract String getRequestMethod();
+
+    public abstract InputStream getResponseRawDataStream();
+
+    public InputStream getResponseDataStream() {
+        String contentLengthStr = getHeader("Content-Length");
+        int contentLength = -1;
+        if (contentLengthStr != null) {
+            try {
+                contentLength = Integer.parseInt(contentLengthStr);
+            } catch (NumberFormatException nex) {
+            }
+        }
+        final InputStream rawIs = getResponseRawDataStream();
+        InputStream is = rawIs;
+        if (contentLength > -1) {
+            is = new LimitedInputStream(is, contentLength);
+        }
+
+        String encoding = getHeader("Content-Encoding");
+        if (encoding != null) {
+            switch (encoding) {
+                case "gzip":
+                    try {
+                        is = new GZIPInputStream(is);
+                    } catch (IOException ex) {
+                        is = null;
+                        //ignore
+                    }
+                    break;
+                case "deflate":
+                    is = new InflaterInputStream(is);
+                    break;
+                default: //unknown
+                    return null;
+            }
+        }
+        if ("chunked".equals(getHeader("Transfer-Encoding"))) {
+            is = new ChunkedInputStream(is);
+        }
+        return is;
+    }
+
+    @Override
+    public String toString() {
+        return getRequestURL();
+    }
+
+    public int getStatusCode() {
+        String st = getStatusLine();
+        if (st == null) {
+            return 0;
+        }
+        String parts[] = st.split(" ");
+        try {
+            return Integer.parseInt(parts[1]);
+        } catch (NumberFormatException nfe) {
+            return 0;
+        }
+    }
+
+    public String getHeader(String header) {
+        Map<String, String> m = getResponseHeaders();
+        for (String k : m.keySet()) {
+            if (k.toLowerCase().equals(header.toLowerCase())) {
+                return m.get(k);
+            }
+        }
+        return null;
+    }
+}