diff options
Diffstat (limited to 'das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util')
3 files changed, 258 insertions, 0 deletions
diff --git a/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/CollectionsUtil.java b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/CollectionsUtil.java new file mode 100644 index 0000000000..64e8826f76 --- /dev/null +++ b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/CollectionsUtil.java @@ -0,0 +1,49 @@ +/*
+ * 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.das.rdb.util;
+
+import java.util.Collection;
+import java.util.Iterator;
+
+/**
+ */
+public final class CollectionsUtil {
+
+ private CollectionsUtil() {
+
+ }
+
+ // Utilities
+ public static boolean disjoint(Collection c1, Collection c2) {
+
+ if (c1.size() > c2.size()) {
+ Collection c = c1;
+ c1 = c2;
+ c2 = c;
+ }
+ for (Iterator iterator = c2.iterator(); iterator.hasNext();) {
+ Object o = (Object)iterator.next();
+ if (c1.contains(o)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+}
diff --git a/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/ConfigUtil.java b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/ConfigUtil.java new file mode 100644 index 0000000000..c5c7a38aab --- /dev/null +++ b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/ConfigUtil.java @@ -0,0 +1,130 @@ +/* + * 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.das.rdb.util; + +import java.io.IOException; +import java.io.InputStream; +import java.util.Iterator; +import java.util.List; + +import org.apache.tuscany.das.rdb.config.Command; +import org.apache.tuscany.das.rdb.config.Config; +import org.apache.tuscany.das.rdb.config.ConfigFactory; +import org.apache.tuscany.das.rdb.config.Create; +import org.apache.tuscany.das.rdb.config.Delete; +import org.apache.tuscany.das.rdb.config.Parameter; +import org.apache.tuscany.das.rdb.config.Update; + +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.XMLHelper; +import commonj.sdo.impl.HelperProvider; + +/** + * Config util provides config-related utilities such as loading a Config + * instance from an InputStream + * + */ +public final class ConfigUtil { + + private ConfigUtil() { + + } + + public static Config loadConfig(InputStream configStream) { + + if (configStream == null) { + throw new RuntimeException("Cannot load configuration from a null InputStream. " + + "Possibly caused by an incorrect config xml file name"); + } + + HelperContext context = HelperProvider.getDefaultContext(); + ConfigFactory.INSTANCE.register(context); + XMLHelper helper = context.getXMLHelper(); + + try { + return (Config) helper.load(configStream).getRootObject(); + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + public static String getParameters(Create createCommand) { + List parameters = createCommand.getParameters().getParameter(); + if(parameters != null) { + Iterator itr = parameters.iterator(); + StringBuffer serializedParameters = new StringBuffer(); + + while(itr.hasNext()) { + serializedParameters.append(((Parameter)itr.next()).getName()+" "); + } + return serializedParameters.toString().trim(); + } + else { + return null; + } + } + + public static String getParameters(Update updateCommand) { + List parameters = updateCommand.getParameters().getParameter(); + if(parameters != null) { + Iterator itr = parameters.iterator(); + StringBuffer serializedParameters = new StringBuffer(); + + while(itr.hasNext()) { + serializedParameters.append(((Parameter)itr.next()).getName()+" "); + } + return serializedParameters.toString().trim(); + } + else { + return null; + } + } + + public static String getParameters(Delete deleteCommand) { + List parameters = deleteCommand.getParameters().getParameter(); + if(parameters != null) { + Iterator itr = parameters.iterator(); + StringBuffer serializedParameters = new StringBuffer(); + + while(itr.hasNext()) { + serializedParameters.append(((Parameter)itr.next()).getName()+" "); + } + return serializedParameters.toString().trim(); + } + else { + return null; + } + } + + public static String getParameters(Command command) { + List parameters = command.getParameter(); + if(parameters != null) { + Iterator itr = parameters.iterator(); + StringBuffer serializedParameters = new StringBuffer(); + + while(itr.hasNext()) { + serializedParameters.append(((Parameter)itr.next()).getName()+" "); + } + return serializedParameters.toString().trim(); + } + else { + return null; + } + } +} diff --git a/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java new file mode 100644 index 0000000000..b9649669e5 --- /dev/null +++ b/das-java/tags/1.0-incubating-beta2/rdb/src/main/java/org/apache/tuscany/das/rdb/util/DataObjectUtil.java @@ -0,0 +1,79 @@ +/* + * 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.das.rdb.util; + +import java.util.Iterator; +import java.util.List; + +import commonj.sdo.ChangeSummary; +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.ChangeSummary.Setting; +import commonj.sdo.helper.DataFactory; + +/** + */ +public final class DataObjectUtil { + + private DataObjectUtil() { + + } + + // Utilities + public static DataObject getRestoredCopy(DataObject changedDO) { + DataObject changedCopy = getCopy(changedDO); + restoreAttributeValues(changedCopy, changedDO); + return changedCopy; + } + + public static DataObject getCopy(DataObject original) { + + DataObject copy = DataFactory.INSTANCE.create(original.getType()); + + // Fill in values + Iterator i = original.getType().getProperties().iterator(); + while (i.hasNext()) { + Property feature = (Property) i.next(); + copy.set(feature, original.get(feature)); + } + return copy; + } + + /** + * @param changedCopy + * @return + */ + private static void restoreAttributeValues(DataObject changedCopy, DataObject changedDO) { + + ChangeSummary changeSummary = changedDO.getDataGraph().getChangeSummary(); + List changes = changeSummary.getOldValues(changedDO); + if (changes == null) { + return; + } + + Iterator i = changes.iterator(); + while (i.hasNext()) { + Setting s = (Setting) i.next(); + if (s.getProperty().getType().isDataType()) { + changedCopy.set(s.getProperty(), s.getValue()); + } + } + } + +} |