diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java')
-rw-r--r-- | sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java b/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java new file mode 100644 index 0000000000..bae5c1d450 --- /dev/null +++ b/sca-java-1.x/tags/kernel/2.0-alpha-incubating/core/src/main/java/org/apache/tuscany/core/services/deployment/ContentTypeDescriberImpl.java @@ -0,0 +1,100 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.tuscany.core.services.deployment;
+
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.osoa.sca.annotations.EagerInit;
+import org.osoa.sca.annotations.Service;
+
+import org.apache.tuscany.spi.deployer.ContentTypeDescriber;
+
+import org.apache.tuscany.core.util.FileHelper;
+
+/**
+ * Implementation of the content describer
+ *
+ * @version $Rev$ $Date$
+ */
+@EagerInit
+@Service(ContentTypeDescriber.class)
+public class ContentTypeDescriberImpl implements ContentTypeDescriber {
+ private final Map<String, String> contentTypeRegistry = new HashMap<String, String>();
+
+ public ContentTypeDescriberImpl() {
+ super();
+ init();
+ }
+
+ /**
+ * Initialize contentType registry with know types based on known file extensions
+ */
+ private void init() {
+ contentTypeRegistry.put("SCDL", "application/v.tuscany.scdl");
+ contentTypeRegistry.put("COMPOSITE", "application/v.tuscany.scdl");
+ contentTypeRegistry.put("WSDL", "application/v.tuscany.wsdl");
+ contentTypeRegistry.put("JAR", "application/x-compressed");
+ }
+
+ protected String resolveContentyTypeByExtension(URL resourceURL) {
+ String artifactExtension = FileHelper.getExtension(resourceURL.getPath());
+ if (artifactExtension == null) {
+ return null;
+ }
+ return contentTypeRegistry.get(artifactExtension.toUpperCase());
+ }
+
+ /**
+ * Build contentType for a specific resource. We first check if the file is a supported one (looking into our
+ * registry based on resource extension) If not found, we try to check file contentType Or we return
+ * defaultContentType provided
+ *
+ * @param url
+ * @param defaultContentType
+ * @return
+ */
+ public String getContentType(URL resourceURL, String defaultContentType) {
+ URLConnection connection = null;
+ String contentType = defaultContentType;
+
+ contentType = resolveContentyTypeByExtension(resourceURL);
+ if (contentType == null) {
+ try {
+ connection = resourceURL.openConnection();
+ contentType = connection.getContentType();
+
+ if (contentType == null || contentType.equals("content/unknown")) {
+ // here we couldn't figure out from our registry or from URL
+ // return defaultContentType if provided
+ contentType = defaultContentType;
+ }
+ } catch (IOException io) {
+ // could not access artifact, just ignore and we will return
+ // null contentType
+ }
+ }
+ return contentType == null ? defaultContentType : contentType;
+ }
+
+}
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