1 files changed, 122 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/WireLoader.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/WireLoader.java
new file mode 100644
index 0000000000..9c60790111
--- /dev/null
+++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/WireLoader.java
@@ -0,0 +1,122 @@
+/*
+ * 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.loader;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import javax.xml.namespace.QName;
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import static org.osoa.sca.Constants.SCA_NS;
+import org.osoa.sca.annotations.Constructor;
+import org.osoa.sca.annotations.Reference;
+
+import org.apache.tuscany.spi.QualifiedName;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.extension.LoaderExtension;
+import org.apache.tuscany.spi.loader.InvalidWireException;
+import org.apache.tuscany.spi.loader.LoaderException;
+import org.apache.tuscany.spi.loader.LoaderRegistry;
+import org.apache.tuscany.spi.model.ModelObject;
+import org.apache.tuscany.spi.model.WireDefinition;
+
+/**
+ * Loads a wire from an XML-based assembly file
+ *
+ * @version $Rev: 465084 $ $Date: 2006-10-18 04:00:49 +0530 (Wed, 18 Oct 2006) $
+ */
+public class WireLoader extends LoaderExtension<WireDefinition> {
+    private static final QName WIRE = new QName(SCA_NS, "wire");
+    private static final QName SOURCE_URI = new QName(SCA_NS, "source.uri");
+    private static final QName TARGET_URI = new QName(SCA_NS, "target.uri");
+
+    @Constructor
+    public WireLoader(@Reference LoaderRegistry registry) {
+        super(registry);
+    }
+
+    public QName getXMLType() {
+        return WIRE;
+    }
+
+    public WireDefinition load(
+        ModelObject object,
+        XMLStreamReader reader,
+        DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
+        assert WIRE.equals(reader.getName());
+        WireDefinition wireDefn;
+        URI sourceURI = null;
+        URI targetURI = null;
+        String uriString;
+        while (true) {
+            switch (reader.next()) {
+                case START_ELEMENT:
+                    try {
+                        if (reader.getName().equals(SOURCE_URI)) {
+                            uriString = reader.getElementText();
+                            if (uriString != null && uriString.trim().length() > 0) {
+                                QualifiedName name = new QualifiedName(uriString);
+                                if (name.getPortName() == null) {
+                                    sourceURI = new URI(uriString);
+                                } else {
+                                    sourceURI = new URI(name.getPartName() + "#" + name.getPortName());
+                                }
+                            } else {
+                                throw new InvalidWireException("Wire source not defined");
+                            }
+                        } else if (reader.getName().equals(TARGET_URI)) {
+                            uriString = reader.getElementText();
+                            if (uriString != null && uriString.trim().length() > 0) {
+                                QualifiedName name = new QualifiedName(uriString);
+                                if (name.getPortName() == null) {
+                                    targetURI = new URI(uriString);
+                                } else {
+                                    targetURI = new URI(name.getPartName() + "#" + name.getPortName());
+                                }
+                            } else {
+                                throw new InvalidWireException("Wire target not defined");
+                            }
+                        } else {
+                            QName name = reader.getName();
+                            throw new InvalidWireException("Unrecognized element in wire ", name.toString());
+                        }
+                    } catch (URISyntaxException e) {
+                        throw new InvalidWireException("Invalid wire uri", e);
+                    }
+
+                    reader.next();
+                    break;
+                case END_ELEMENT:
+                    if (reader.getName().equals(WIRE)) {
+                        if (sourceURI != null && targetURI != null) {
+                            wireDefn = new WireDefinition();
+                            wireDefn.setSource(sourceURI);
+                            wireDefn.setTarget(targetURI);
+                        } else {
+                            throw new InvalidWireException("Incomplete wire definition");
+                        }
+                        return wireDefn;
+                    }
+            }
+        }
+    }
+}