Author: agilliland
Date: Tue May 15 14:37:02 2007
New Revision: 538329
URL: http://svn.apache.org/viewvc?view=rev&rev=538329
Log:
Utility code for dealing with external mediacast resources attached to entries.
Added:
roller/trunk/src/org/apache/roller/util/MediacastException.java
roller/trunk/src/org/apache/roller/util/MediacastResource.java
roller/trunk/src/org/apache/roller/util/MediacastUtil.java
Added: roller/trunk/src/org/apache/roller/util/MediacastException.java
URL:
http://svn.apache.org/viewvc/roller/trunk/src/org/apache/roller/util/MediacastException.java?view=auto&rev=538329
==============================================================================
--- roller/trunk/src/org/apache/roller/util/MediacastException.java (added)
+++ roller/trunk/src/org/apache/roller/util/MediacastException.java Tue May 15
14:37:02 2007
@@ -0,0 +1,53 @@
+/*
+ * MediacastException.java
+ *
+ * Created on May 11, 2007, 3:53:28 PM
+ *
+ * To change this template, choose Tools | Template Manager
+ * and open the template in the editor.
+ */
+
+package org.apache.roller.util;
+
+import org.apache.roller.RollerException;
+
+
+/**
+ * An exception thrown when dealing with Mediacast files.
+ */
+public class MediacastException extends RollerException {
+
+ private int errorCode = 0;
+ private String errorKey = null;
+
+
+ public MediacastException(int code, String msgKey) {
+ this.errorCode = code;
+ this.errorKey = msgKey;
+ }
+
+
+ public MediacastException(int code, String msgKey, Throwable t) {
+ super(t);
+ this.errorCode = code;
+ this.errorKey = msgKey;
+ }
+
+
+ public int getErrorCode() {
+ return errorCode;
+ }
+
+ public String getErrorKey() {
+ return errorKey;
+ }
+
+ public void setErrorCode(int errorCode) {
+ this.errorCode = errorCode;
+ }
+
+ public void setErrorKey(String errorKey) {
+ this.errorKey = errorKey;
+ }
+
+}
Added: roller/trunk/src/org/apache/roller/util/MediacastResource.java
URL:
http://svn.apache.org/viewvc/roller/trunk/src/org/apache/roller/util/MediacastResource.java?view=auto&rev=538329
==============================================================================
--- roller/trunk/src/org/apache/roller/util/MediacastResource.java (added)
+++ roller/trunk/src/org/apache/roller/util/MediacastResource.java Tue May 15
14:37:02 2007
@@ -0,0 +1,67 @@
+/*
+ * MediacastResource.java
+ *
+ * Created on May 14, 2007, 9:12 PM
+ *
+ * To change this template, choose Tools | Template Manager
+ * and open the template in the editor.
+ */
+
+package org.apache.roller.util;
+
+/**
+ * An external 'mediacast' resource, typically a podcast, video, etc.
+ *
+ * This class is mainly used by weblog entries to track external resources used
+ * in postings via enclosures.
+ */
+public class MediacastResource {
+
+ private String url = null;
+ private String contentType = null;
+ private long length = 0;
+
+
+ public MediacastResource(String u, String c, long l) {
+ this.setUrl(u);
+ this.setContentType(c);
+ this.setLength(l);
+ }
+
+
+ public String getUrl() {
+ return url;
+ }
+
+ public void setUrl(String url) {
+ this.url = url;
+ }
+
+ public String getContentType() {
+ return contentType;
+ }
+
+ public void setContentType(String contentType) {
+ this.contentType = contentType;
+ }
+
+ public long getLength() {
+ return length;
+ }
+
+ public void setLength(long length) {
+ this.length = length;
+ }
+
+
+ public String toString() {
+ StringBuffer buf = new StringBuffer();
+
+ buf.append("url = ").append(getUrl()).append("\n");
+ buf.append("contentType = ").append(getContentType()).append("\n");
+ buf.append("length = ").append(getLength()).append("\n");
+
+ return buf.toString();
+ }
+
+}
Added: roller/trunk/src/org/apache/roller/util/MediacastUtil.java
URL:
http://svn.apache.org/viewvc/roller/trunk/src/org/apache/roller/util/MediacastUtil.java?view=auto&rev=538329
==============================================================================
--- roller/trunk/src/org/apache/roller/util/MediacastUtil.java (added)
+++ roller/trunk/src/org/apache/roller/util/MediacastUtil.java Tue May 15
14:37:02 2007
@@ -0,0 +1,95 @@
+/*
+ * MediacastUtil.java
+ *
+ * Created on May 11, 2007, 3:09:39 PM
+ *
+ * To change this template, choose Tools | Template Manager
+ * and open the template in the editor.
+ */
+
+package org.apache.roller.util;
+
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import javax.mail.internet.ContentType;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.roller.business.RollerFactory;
+import org.apache.roller.business.WeblogManager;
+
+
+/**
+ * Utility for deailing with mediacast files.
+ */
+public final class MediacastUtil {
+
+ private static final Log log = LogFactory.getLog(MediacastUtil.class);
+
+ public static final int BAD_URL = 1;
+ public static final int CHECK_FAILED = 2;
+ public static final int BAD_RESPONSE = 3;
+ public static final int INCOMPLETE = 4;
+
+
+ // non-instantiable
+ private MediacastUtil() {}
+
+
+ /**
+ * Validate a Mediacast resource.
+ */
+ public static final MediacastResource lookupResource(String url)
+ throws MediacastException {
+
+ if(url == null || url.trim().length() ==0) {
+ return null;
+ }
+
+ MediacastResource resource = null;
+ try {
+ HttpURLConnection con = (HttpURLConnection) new
URL(url).openConnection();
+ con.setRequestMethod("HEAD");
+ int response = con.getResponseCode();
+ String message = con.getResponseMessage();
+
+ if(response != 200) {
+ log.debug("Mediacast error "+response+":"+message+" from url
"+url);
+ throw new MediacastException(BAD_RESPONSE,
"weblogEdit.mediaCastResponseError");
+ } else {
+ String contentType = con.getContentType();
+ long length = con.getContentLength();
+
+ if(contentType == null || length == -1) {
+ log.debug("Response valid, but contentType or length is
invalid");
+ throw new MediacastException(INCOMPLETE,
"weblogEdit.mediaCastLacksContentTypeOrLength");
+ }
+
+ resource = new MediacastResource(url, contentType, length);
+ log.debug("Valid mediacast resource = "+resource.toString());
+
+ }
+ } catch (MalformedURLException mfue) {
+ log.debug("Malformed MediaCast url: " + url);
+ throw new MediacastException(BAD_URL,
"weblogEdit.mediaCastUrlMalformed", mfue);
+ } catch (Exception e) {
+ log.error("ERROR while checking MediaCast URL: " + url + ": " +
e.getMessage());
+ throw new MediacastException(CHECK_FAILED,
"weblogEdit.mediaCastFailedFetchingInfo", e);
+ }
+
+// if (!valid) {
+// log.debug("Removing MediaCast attributes");
+// WeblogManager weblogManager =
RollerFactory.getRoller().getWeblogManager();
+// try {
+//
weblogManager.removeWeblogEntryAttribute("att_mediacast_url", entry);
+//
weblogManager.removeWeblogEntryAttribute("att_mediacast_type", entry);
+//
weblogManager.removeWeblogEntryAttribute("att_mediacast_length", entry);
+// } catch (Exception e) {
+// log.error("ERROR removing invalid MediaCast attributes");
+// }
+// }
+
+ return resource;
+ }
+
+}
