In javac7 the BaseFileObject and JavacFileManager have been moved from

com/sun/tools/javac/util to com/sun/tools/javac/file

1 files changed, 95 insertions, 0 deletions

diff --git a/src/core/lombok/javac/apt/LombokFileObjects.java b/src/core/lombok/javac/apt/LombokFileObjects.java
new file mode 100644
index 00000000..b868c847
--- /dev/null
+++ b/src/core/lombok/javac/apt/LombokFileObjects.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright © 2010-2011 Reinier Zwitserloot, Roel Spilker and Robbert Jan Grootjans.
+ * 
+ * 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.javac.apt;
+
+import java.lang.reflect.Method;
+
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+
+import lombok.core.DiagnosticsReceiver;
+
+//Can't use SimpleJavaFileObject so we copy/paste most of its content here, because javac doesn't follow the interface,
+//and casts to its own BaseFileObject type. D'oh!
+final class LombokFileObjects {
+	
+	private enum Compiler {
+		JAVAC6 {
+			@Override public JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject) {
+				return new Javac6BaseFileObjectWrapper(fileObject);
+			}
+		}, 
+		JAVAC7 {
+			@Override public JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject) {
+				return new Javac7BaseFileObjectWrapper((com.sun.tools.javac.file.JavacFileManager)fileManager, fileObject);
+			}
+		};
+		
+		abstract JavaFileObject wrap(JavaFileManager fileManager, LombokFileObject fileObject);
+	}
+	
+	private static final Compiler compiler;
+	private static final Method decoderMethod;
+	
+	static {
+		Compiler c = null;
+		Method m = null;
+		try {
+			// In javac6, the BaseFileObject is located in 
+			// com.sun.tools.javac.util
+			Class<?> clazz = Class.forName("com.sun.tools.javac.util.BaseFileObject");
+			c = Compiler.JAVAC6;
+			try {
+				// The getDecoder method is not always present in javac6
+				m = clazz.getDeclaredMethod("getDecoder", boolean.class);
+			} catch (NoSuchMethodException e) {}
+		} catch (ClassNotFoundException cnfe) {
+			// In javac7, the BaseFileObject has been moved to the package 
+			// com.sun.tools.javac.file
+			try {
+				Class<?> clazz = Class.forName("com.sun.tools.javac.file.BaseFileObject");
+				c = Compiler.JAVAC7;
+				try {
+					m = clazz.getDeclaredMethod("getDecoder", boolean.class);
+				} catch (NoSuchMethodException e) {}
+			} catch (ClassNotFoundException cnfe2) {
+			}
+		}
+		compiler = c;
+		if (m != null) {
+			m.setAccessible(true);
+		}
+		decoderMethod = m;
+	}
+	
+	private LombokFileObjects() {}
+	
+	static JavaFileObject createEmpty(JavaFileManager fileManager, String name, Kind kind) {
+		return compiler.wrap(fileManager, new EmptyLombokFileObject(name, kind));
+	}
+	
+	static JavaFileObject createIntercepting(JavaFileManager fileManager, JavaFileObject delegate, String fileName, DiagnosticsReceiver diagnostics) {
+		return compiler.wrap(fileManager, new InterceptingJavaFileObject(delegate, fileName, diagnostics, decoderMethod));
+	}
+}