switch all classes to new signature/type system

1 files changed, 104 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/Util.java b/src/cuchaz/enigma/Util.java
new file mode 100644
index 0000000..7f04bda
--- /dev/null
+++ b/src/cuchaz/enigma/Util.java
@@ -0,0 +1,104 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma;
+
+import java.awt.Desktop;
+import java.io.Closeable;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Arrays;
+import java.util.jar.JarFile;
+
+import javassist.CannotCompileException;
+import javassist.CtClass;
+import javassist.bytecode.Descriptor;
+
+import com.google.common.io.CharStreams;
+
+public class Util {
+        
+        public static int combineHashesOrdered(Object... objs) {
+                return combineHashesOrdered(Arrays.asList(objs));
+        }
+        
+        public static int combineHashesOrdered(Iterable<Object> objs) {
+                final int prime = 67;
+                int result = 1;
+                for (Object obj : objs) {
+                        result *= prime;
+                        if (obj != null) {
+                                result += obj.hashCode();
+                        }
+                }
+                return result;
+        }
+        
+        public static void closeQuietly(Closeable closeable) {
+                if (closeable != null) {
+                        try {
+                                closeable.close();
+                        } catch (IOException ex) {
+                                // just ignore any further exceptions
+                        }
+                }
+        }
+        
+        public static void closeQuietly(JarFile jarFile) {
+                // silly library should implement Closeable...
+                if (jarFile != null) {
+                        try {
+                                jarFile.close();
+                        } catch (IOException ex) {
+                                // just ignore any further exceptions
+                        }
+                }
+        }
+        
+        public static String readStreamToString(InputStream in) throws IOException {
+                return CharStreams.toString(new InputStreamReader(in, "UTF-8"));
+        }
+        
+        public static String readResourceToString(String path) throws IOException {
+                InputStream in = Util.class.getResourceAsStream(path);
+                if (in == null) {
+                        throw new IllegalArgumentException("Resource not found! " + path);
+                }
+                return readStreamToString(in);
+        }
+        
+        public static void openUrl(String url) {
+                if (Desktop.isDesktopSupported()) {
+                        Desktop desktop = Desktop.getDesktop();
+                        try {
+                                desktop.browse(new URI(url));
+                        } catch (IOException ex) {
+                                throw new Error(ex);
+                        } catch (URISyntaxException ex) {
+                                throw new IllegalArgumentException(ex);
+                        }
+                }
+        }
+        
+        public static void writeClass(CtClass c) {
+                String name = Descriptor.toJavaName(c.getName());
+                File file = new File(name + ".class");
+                try (FileOutputStream out = new FileOutputStream(file)) {
+                        out.write(c.toBytecode());
+                } catch (IOException | CannotCompileException ex) {
+                        throw new Error(ex);
+                }
+        }
+}