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java/org/apache/tomcat/websocket/pojo/PojoPathParam.java

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+/*
+ *  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.tomcat.websocket.pojo;
+
+import javax.websocket.DeploymentException;
+
+import org.apache.tomcat.util.res.StringManager;
+import org.apache.tomcat.websocket.Util;
+
+/**
+ * Stores the parameter type and name for a parameter that needs to be passed to
+ * an onXxx method of {@link javax.websocket.Endpoint}. The name is only present
+ * for parameters annotated with
+ * {@link javax.websocket.server.PathParam}. For the
+ * {@link javax.websocket.Session} and {@link java.lang.Throwable} parameters,
+ * {@link #getName()} will always return <code>null</code>.
+ */
+public class PojoPathParam {
+
+    private static final StringManager sm = StringManager.getManager(PojoPathParam.class);
+
+    private final Class<?> type;
+    private final String name;
+
+
+    public PojoPathParam(Class<?> type, String name)  throws DeploymentException {
+        if (name != null) {
+            // Annotated as @PathParam so validate type
+            validateType(type);
+        }
+        this.type = type;
+        this.name = name;
+    }
+
+
+    public Class<?> getType() {
+        return type;
+    }
+
+
+    public String getName() {
+        return name;
+    }
+
+
+    private static void validateType(Class<?> type) throws DeploymentException {
+        if (String.class == type) {
+            return;
+        }
+        if (Util.isPrimitive(type)) {
+            return;
+        }
+        throw new DeploymentException(sm.getString("pojoPathParam.wrongType", type.getName()));
+    }
+}