Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.application / src / org / simantics / application / arguments / Arguments.java

diff --git a/bundles/org.simantics.application/src/org/simantics/application/arguments/Arguments.java b/bundles/org.simantics.application/src/org/simantics/application/arguments/Arguments.java
new file mode 100644 (file)
index 0000000..a33f72c
--- /dev/null
+++ b/bundles/org.simantics.application/src/org/simantics/application/arguments/Arguments.java
@@ -0,0 +1,107 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.application.arguments;\r
+\r
+import java.util.Arrays;\r
+import java.util.ListIterator;\r
+import java.util.Map;\r
+import java.util.TreeMap;\r
+\r
+import org.simantics.application.arguments.IArgument;\r
+import org.simantics.application.arguments.IArgumentFactory;\r
+\r
+public class Arguments implements IArguments {\r
+\r
+    private Map<String, IArgument<?>> args = new TreeMap<String, IArgument<?>>();\r
+\r
+    /* (non-Javadoc)\r
+     * @see org.simantics.application.arguments.IArguments#put(org.simantics.application.arguments.IArgument)\r
+     */\r
+    public void put(IArgument<?> arg) {\r
+        args.put(arg.getArgument(), arg);\r
+    }\r
+\r
+    /* (non-Javadoc)\r
+     * @see org.simantics.application.arguments.IArguments#putAll(org.simantics.application.arguments.IArguments)\r
+     */\r
+    @Override\r
+    public void putAll(IArguments args) {\r
+        for (IArgument<?> arg : args.toArray()) {\r
+            put(arg);\r
+        }\r
+    }\r
+\r
+    @SuppressWarnings("unchecked")\r
+    public <T> IArgument<T> remove(IArgumentFactory<T> key) {\r
+        return (IArgument<T>) args.remove(key.getArgument());\r
+    }\r
+\r
+    /* (non-Javadoc)\r
+     * @see org.simantics.application.arguments.IArguments#contains(org.simantics.application.arguments.IArgumentFactory)\r
+     */\r
+    public <T> boolean contains(IArgumentFactory<T> key) {\r
+        return args.containsKey(key.getArgument());\r
+    }\r
+\r
+    /* (non-Javadoc)\r
+     * @see org.simantics.application.arguments.IArguments#get(org.simantics.application.arguments.IArgumentFactory)\r
+     */\r
+    @SuppressWarnings("unchecked")\r
+    public <T> T get(IArgumentFactory<T> key) {\r
+        IArgument<T> a = (IArgument<T>) args.get(key.getArgument());\r
+        return a == null ? null : a.getValue();\r
+    }\r
+\r
+    @SuppressWarnings("unchecked")\r
+    @Override\r
+    public <T> T get(IArgumentFactory<T> key, T defaultValue) {\r
+        IArgument<T> a = (IArgument<T>) args.get(key.getArgument());\r
+        return a == null ? defaultValue : a.getValue();\r
+    }\r
+\r
+    /* (non-Javadoc)\r
+     * @see org.simantics.application.arguments.IArguments#toArray()\r
+     */\r
+    public IArgument<?>[] toArray() {\r
+        int size = args.size();\r
+        return args.values().toArray(new IArgument<?>[size]);\r
+    }\r
+\r
+    /**\r
+     * @param args\r
+     * @param parsedArguments\r
+     * @return\r
+     */\r
+    public static IArguments parse(String[] args, IArgumentFactory<?>... parsedArguments) {\r
+        ListIterator<String> iter = Arrays.asList(args).listIterator();\r
+        IArguments result = new Arguments();\r
+        while (iter.hasNext()) {\r
+            String arg = iter.next();\r
+\r
+            IArgument<?> ret = null;\r
+            for (IArgumentFactory<?> factory : parsedArguments) {\r
+                try {\r
+                    if ((ret = factory.parse(arg, iter)) != null)\r
+                        break;\r
+                } catch (IllegalArgumentException e) {\r
+                    // Argument matched, but the argument value was invalid.\r
+                    // TODO: react to this.\r
+                }\r
+            }\r
+            if (ret != null)\r
+                result.put(ret);\r
+        }\r
+        \r
+        return result;\r
+    }\r
+\r
+}\r