1 files changed, 95 insertions, 0 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/SLCommandInvokerImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/SLCommandInvokerImpl.java
new file mode 100644
index 00000000..a23d96e8
--- /dev/null
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/SLCommandInvokerImpl.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ *
+ * Licensed 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 at.gv.egiz.bku.binding;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.accesscontroller.SecurityManagerFacade;
+import at.gv.egiz.bku.slcommands.SLCommand;
+import at.gv.egiz.bku.slcommands.SLCommandInvoker;
+import at.gv.egiz.bku.slcommands.SLResult;
+import at.gv.egiz.bku.slcommands.SLSourceContext;
+import at.gv.egiz.bku.slcommands.SLTargetContext;
+import at.gv.egiz.bku.slexceptions.SLException;
+
+/**
+ * This class implements the entry point for the CCEs security management.
+ * 
+ */
+public class SLCommandInvokerImpl implements SLCommandInvoker {
+
+	private static Log log = LogFactory.getLog(SLCommandInvokerImpl.class);
+
+	protected SLCommand command;
+	protected SLResult result;
+	protected SecurityManagerFacade securityManager;
+
+	/**
+	 * Invokes a sl command.
+	 * 
+	 * @throws SLException
+	 */
+	public void invoke(SLSourceContext aContext) throws SLException {
+		if (securityManager == null) {
+			log.warn("Security policy not implemented yet, invoking command: "
+					+ command);
+			result = command.execute();
+		} else {
+			if (securityManager.mayInvokeCommand(command, aContext)) {
+				result = command.execute();
+			} else {
+				throw new SLException(6002);
+			}
+		}
+	}
+
+	public SLResult getResult(SLTargetContext aContext) throws SLException {
+		if (securityManager == null) {
+			log
+					.warn("Security policy not implemented yet, getting result of command: "
+							+ command);
+			return result;
+		} else {
+			if (securityManager.maySendResult(command, aContext)) {
+				return result;
+			} else {
+				throw new SLException(6002);
+			}
+		}
+	}
+
+	public void setCommand(SLCommand aCmd) {
+		command = aCmd;
+	}
+
+	@Override
+	public SLCommandInvoker newInstance() {
+		SLCommandInvokerImpl cmdInv = new SLCommandInvokerImpl();
+		cmdInv.setSecurityManager(securityManager);
+		return cmdInv;
+	}
+
+	public SecurityManagerFacade getSecurityManager() {
+		return securityManager;
+	}
+
+	public void setSecurityManager(SecurityManagerFacade securityManager) {
+		this.securityManager = securityManager;
+	}
+
+}
+\ No newline at end of file