1 files changed, 84 insertions, 0 deletions
diff --git a/javax/tools/Tool.java b/javax/tools/Tool.java
new file mode 100644
index 000000000..a1b707029
--- /dev/null
+++ b/javax/tools/Tool.java
@@ -0,0 +1,84 @@
+/* Tool.java -- Interface for programatically-invokable tools.
+   Copyright (C) 2012  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.tools;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import java.util.Set;
+
+import javax.lang.model.SourceVersion;
+
+/**
+ * Interface for tools than be invoked from a program.  Tools
+ * can be located using {@link java.util.ServiceLoader#load(Class)}.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.6
+ */
+public interface Tool
+{
+
+  /**
+   * Returns the set of source language versions that are supported
+   * by this tool.
+   *
+   * @return the set of supported source code versions.
+   */
+  Set<SourceVersion> getSourceVersions();
+
+  /**
+   * Invokes the tool using the specified input/output streams and
+   * arguments, returning the same exit code it would if called from
+   * the command line.  Traditionally, zero indicates success and non-zero
+   * is used for errors.  Diagnostics from the tool will be written
+   * to {@code out} or {@code err} in a way specific to the tool.
+   *
+   * @param in the standard input for the tool or {@code null} to use
+   *           {@code System.in}.
+   * @param out the standard output for the tool or {@code null} to use
+   *            {@code System.out}
+   * @param err the standard error stream for the tool or {@code null}
+   *            to use {@code System.err}.
+   * @param args the arguments to pass to the tool.
+   * @return the return code from the tool.
+   * @throws NullPointerException if any argument is {@code null}.
+   */
+  int run(InputStream in, OutputStream out, OutputStream err,
+	  String... arguments);
+}