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Extract FileResourceBundle into a separate subclass and hide it away from the

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rest of the world.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@312 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Michael Bayne
2007-10-26 20:08:38 +00:00
parent 9103590534
commit ee10bb11ed
8 changed files with 494 additions and 456 deletions
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src/java/com/threerings/cast/bundle/BundleUtil.java
+21 -28
View File
@@ -29,27 +29,24 @@ import java.io.ObjectInputStream;
import com.samskivert.io.StreamUtil;
import com.threerings.cast.Log;
import com.threerings.resource.FileResourceBundle;
import com.threerings.resource.ResourceBundle;
/**
* Utility functions related to creating and manipulating component
* bundles.
* Utility functions related to creating and manipulating component bundles.
*/
public class BundleUtil
{
/** The path in the metadata bundle to the serialized action table. */
public static final String ACTIONS_PATH = "actions.dat";
/** The path in the metadata bundle to the serialized action tile sets
* table. */
/** The path in the metadata bundle to the serialized action tile sets table. */
public static final String ACTION_SETS_PATH = "action_sets.dat";
/** The path in the metadata bundle to the serialized component class
* table. */
/** The path in the metadata bundle to the serialized component class table. */
public static final String CLASSES_PATH = "classes.dat";
/** The path in the component bundle to the serialized component id to
* class/type mapping. */
/** The path in the component bundle to the serialized component id to class/type mapping. */
public static final String COMPONENTS_PATH = "components.dat";
/** The file extension of our action tile images. */
@@ -59,22 +56,19 @@ public class BundleUtil
public static final String TILESET_EXTENSION = ".dat";
/**
* Attempts to load an object from the supplied resource bundle with
* the specified path.
* Attempts to load an object from the supplied resource bundle with the specified path.
*
* @param wipeBundleOnFailure if there is an error reading the object
* from the bundle and this parameter is true, we will instruct the
* bundle to delete its underlying jar file before propagating the
* exception with the expectation that it will be redownloaded and
* repaired the next time the application is run.
* @param wipeOnFailure if there is an error reading the object from the bundle and this
* parameter is true, we will instruct the bundle to delete its underlying jar file before
* propagating the exception with the expectation that it will be redownloaded and repaired the
* next time the application is run.
*
* @return the unserialized object in question.
*
* @exception IOException thrown if an I/O error occurs while reading
* the object from the bundle.
* @exception IOException thrown if an I/O error occurs while reading the object from the
* bundle.
*/
public static Object loadObject (ResourceBundle bundle, String path,
boolean wipeBundleOnFailure)
public static Object loadObject (ResourceBundle bundle, String path, boolean wipeOnFailure)
throws IOException, ClassNotFoundException
{
InputStream bin = null;
@@ -86,20 +80,19 @@ public class BundleUtil
return new ObjectInputStream(bin).readObject();
} catch (InvalidClassException ice) {
Log.warning("Aiya! Serialized object is hosed " +
"[bundle=" + bundle.getSource().getPath() +
", element=" + path +
", error=" + ice.getMessage() + "].");
Log.warning("Aiya! Serialized object is hosed [bundle=" + bundle +
", element=" + path + ", error=" + ice.getMessage() + "].");
return null;
} catch (IOException ioe) {
Log.warning("Error reading resource from bundle " +
"[bundle=" + bundle + ", path=" + path +
", wiping?=" + wipeBundleOnFailure + "].");
if (wipeBundleOnFailure) {
Log.warning("Error reading resource from bundle [bundle=" + bundle + ", path=" + path +
", wiping?=" + wipeOnFailure + "].");
if (wipeOnFailure) {
StreamUtil.close(bin);
bin = null;
bundle.wipeBundle(false);
if (bundle instanceof FileResourceBundle) {
((FileResourceBundle)bundle).wipeBundle(false);
}
}
throw ioe;