1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/InvocationContext.java Thu Jan 31 16:58:27 2013 +0100
1.3 @@ -0,0 +1,97 @@
1.4 +/**
1.5 + * Back 2 Browser Bytecode Translator
1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, version 2 of the License.
1.11 + *
1.12 + * This program is distributed in the hope that it will be useful,
1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 + * GNU General Public License for more details.
1.16 + *
1.17 + * You should have received a copy of the GNU General Public License
1.18 + * along with this program. Look for COPYING file in the top folder.
1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 + */
1.21 +package org.apidesign.bck2brwsr.launcher;
1.22 +
1.23 +import java.io.IOException;
1.24 +import java.util.concurrent.CountDownLatch;
1.25 +import java.util.concurrent.TimeUnit;
1.26 +
1.27 +/** Represents individual method invocation, its context and its result.
1.28 + *
1.29 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.30 + */
1.31 +public final class InvocationContext {
1.32 + final CountDownLatch wait = new CountDownLatch(1);
1.33 + final Class<?> clazz;
1.34 + final String methodName;
1.35 + private final Launcher launcher;
1.36 + private String result;
1.37 + private Throwable exception;
1.38 + String html;
1.39 + String httpContent;
1.40 + String httpType;
1.41 + String httpPath;
1.42 +
1.43 + InvocationContext(Launcher launcher, Class<?> clazz, String methodName) {
1.44 + this.launcher = launcher;
1.45 + this.clazz = clazz;
1.46 + this.methodName = methodName;
1.47 + }
1.48 +
1.49 + /** An HTML fragment to be available for the execution. Useful primarily when
1.50 + * executing in a browser via {@link Launcher#createBrowser(java.lang.String)}.
1.51 + * @param html the html fragment
1.52 + */
1.53 + public void setHtmlFragment(String html) {
1.54 + this.html = html;
1.55 + }
1.56 +
1.57 + /** HTTP resource to be available during execution. An invocation may
1.58 + * perform an HTTP query and obtain a resource relative to the page.
1.59 + */
1.60 + public void setHttpResource(String relativePath, String mimeType, String content) {
1.61 + this.httpPath = relativePath;
1.62 + this.httpType = mimeType;
1.63 + this.httpContent = content;
1.64 + }
1.65 +
1.66 + /** Invokes the associated method.
1.67 + * @return the textual result of the invocation
1.68 + */
1.69 + public String invoke() throws IOException {
1.70 + launcher.runMethod(this);
1.71 + return toString();
1.72 + }
1.73 +
1.74 + /** Obtains textual result of the invocation.
1.75 + * @return text representing the exception or result value
1.76 + */
1.77 + @Override
1.78 + public String toString() {
1.79 + if (exception != null) {
1.80 + return exception.toString();
1.81 + }
1.82 + return result;
1.83 + }
1.84 +
1.85 + /**
1.86 + * @param timeOut
1.87 + * @throws InterruptedException
1.88 + */
1.89 + void await(long timeOut) throws InterruptedException {
1.90 + wait.await(timeOut, TimeUnit.MILLISECONDS);
1.91 + }
1.92 +
1.93 + void result(String r, Throwable e) {
1.94 + this.result = r;
1.95 + this.exception = e;
1.96 + wait.countDown();
1.97 + }
1.98 +
1.99 +
1.100 +}