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/***** BEGIN LICENSE BLOCK ***** * Version: EPL 2.0/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Eclipse Public * License Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.eclipse.org/legal/epl-v20.html * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * Copyright (C) 2016 The JRuby Team * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the EPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the EPL, the GPL or the LGPL. ***** END LICENSE BLOCK *****/
package org.jruby.javasupport.ext; import org.jruby.Ruby; import org.jruby.RubyIO; import org.jruby.RubyModule; import org.jruby.internal.runtime.methods.JavaMethod; import org.jruby.runtime.ThreadContext; import org.jruby.runtime.builtin.IRubyObject; import static org.jruby.javasupport.JavaUtil.unwrapIfJavaObject; import static org.jruby.runtime.Visibility.PUBLIC;
java.io package Ruby additions.
Author:kares
/** * <code>java.io</code> package Ruby additions. * * @author kares */
public abstract class JavaIo { public static void define(final Ruby runtime) { JavaExtensions.put(runtime, java.io.InputStream.class, (proxyClass) -> { proxyClass.addMethodInternal("to_io", new InputStreamToIO(proxyClass)); }); JavaExtensions.put(runtime, java.io.OutputStream.class, (proxyClass) -> { proxyClass.addMethodInternal("to_io", new OutputStreamToIO(proxyClass)); }); JavaExtensions.put(runtime, java.nio.channels.Channel.class, (proxyClass) -> { proxyClass.addMethodInternal("to_io", new ChannelToIO(proxyClass)); }); } private static final class InputStreamToIO extends JavaMethod.JavaMethodZeroOrOne { InputStreamToIO(RubyModule implClass) { super(implClass, PUBLIC, "to_io"); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name) { return to_io(context, (java.io.InputStream) unwrapIfJavaObject(self), null); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject opts) { return to_io(context, (java.io.InputStream) unwrapIfJavaObject(self), opts); } } static RubyIO to_io(final ThreadContext context, final java.io.InputStream stream, final IRubyObject opts) { final RubyIO io = new RubyIO(context.runtime, stream); setAutoclose(context, io, opts); return io; } private static final class OutputStreamToIO extends JavaMethod.JavaMethodZeroOrOne { OutputStreamToIO(RubyModule implClass) { super(implClass, PUBLIC, "to_io"); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name) { return to_io(context, (java.io.OutputStream) unwrapIfJavaObject(self), null); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject opts) { return to_io(context, (java.io.OutputStream) unwrapIfJavaObject(self), opts); } } static RubyIO to_io(final ThreadContext context, final java.io.OutputStream stream, final IRubyObject opts) { final RubyIO io = new RubyIO(context.runtime, stream); setAutoclose(context, io, opts); return io; } private static final class ChannelToIO extends JavaMethod.JavaMethodZeroOrOne { ChannelToIO(RubyModule implClass) { super(implClass, PUBLIC, "to_io"); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name) { return to_io(context, self, null); } @Override public RubyIO call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject opts) { return to_io(context, self, opts); } private static RubyIO to_io(final ThreadContext context, final IRubyObject self, final IRubyObject opts) { final RubyIO io = new RubyIO(context.runtime, (java.nio.channels.Channel) unwrapIfJavaObject(self)); setAutoclose(context, io, opts); return io; } } private static void setAutoclose(final ThreadContext context, final RubyIO io, final IRubyObject opts) { if ( opts != null && opts != context.nil ) { IRubyObject autoclose = opts.callMethod(context, "[]", context.runtime.newSymbol("autoclose")); if ( autoclose != context.nil ) io.setAutoclose( autoclose.isTrue() ); } } }