Generalized the agent mechanism; now 1 lombok.jar can serve as the agent for BOTH netbeans AND eclipse, and is future-ready for an IntelliJ agent.

1 files changed, 62 insertions, 0 deletions

diff --git a/src/core/lombok/core/Agent.java b/src/core/lombok/core/Agent.java
new file mode 100644
index 00000000..2ba6bb20
--- /dev/null
+++ b/src/core/lombok/core/Agent.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.core;
+
+import java.lang.instrument.Instrumentation;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public abstract class Agent {
+	protected abstract void runAgent(String agentArgs, Instrumentation instrumentation, boolean injected) throws Exception;
+	
+	public static void agentmain(String agentArgs, Instrumentation instrumentation) throws Exception {
+		runAgents(agentArgs, instrumentation, true);
+	}
+	
+	public static void premain(String agentArgs, Instrumentation instrumentation) throws Exception {
+		runAgents(agentArgs, instrumentation, false);
+	}
+	
+	private static final List<String> AGENT_NAMES = Collections.unmodifiableList(Arrays.asList(
+			"lombok.netbeans.agent.NetbeansPatcher",
+			"lombok.eclipse.agent.EclipsePatcher"
+			));
+	
+	private static void runAgents(String agentArgs, Instrumentation instrumentation, boolean injected) throws Exception {
+		for (String agentName : AGENT_NAMES) {
+			try {
+				Class<?> agentClass = Class.forName(agentName);
+				Agent agent = (Agent) agentClass.newInstance();
+				agent.runAgent(agentArgs, instrumentation, injected);
+			} catch (ClassNotFoundException e) {
+				//That's okay - this lombok evidently is a version with support for something stripped out.
+			} catch (ClassCastException e) {
+				throw new InternalError("Lombok bug. Class: " + agentName + " is not an implementation of lombok.core.Agent");
+			} catch (IllegalAccessException e) {
+				throw new InternalError("Lombok bug. Class: " + agentName + " is not public");
+			} catch (InstantiationException e) {
+				throw new InternalError("Lombok bug. Class: " + agentName + " is not concrete or has no public no-args constructor");
+			}
+		}
+	}
+}