1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/InvocationContext.java	Tue Feb 26 16:54:16 2013 +0100
     1.3 @@ -0,0 +1,110 @@
     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.io.InputStream;
    1.25 +import java.util.ArrayList;
    1.26 +import java.util.List;
    1.27 +import java.util.concurrent.CountDownLatch;
    1.28 +import java.util.concurrent.TimeUnit;
    1.29 +
    1.30 +/** Represents individual method invocation, its context and its result.
    1.31 + *
    1.32 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.33 + */
    1.34 +public final class InvocationContext {
    1.35 +    final CountDownLatch wait = new CountDownLatch(1);
    1.36 +    final Class<?> clazz;
    1.37 +    final String methodName;
    1.38 +    private final Launcher launcher;
    1.39 +    private String result;
    1.40 +    private Throwable exception;
    1.41 +    String html;
    1.42 +    final List<Resource> resources = new ArrayList<>();
    1.43 +
    1.44 +    InvocationContext(Launcher launcher, Class<?> clazz, String methodName) {
    1.45 +        this.launcher = launcher;
    1.46 +        this.clazz = clazz;
    1.47 +        this.methodName = methodName;
    1.48 +    }
    1.49 +    
    1.50 +    /** An HTML fragment to be available for the execution. Useful primarily when
    1.51 +     * executing in a browser via {@link Launcher#createBrowser(java.lang.String)}.
    1.52 +     * @param html the html fragment
    1.53 +     */
    1.54 +    public void setHtmlFragment(String html) {
    1.55 +        this.html = html;
    1.56 +    }
    1.57 +    
    1.58 +    /** HTTP resource to be available during execution. An invocation may
    1.59 +     * perform an HTTP query and obtain a resource relative to the page.
    1.60 +     */
    1.61 +    public void addHttpResource(String relativePath, String mimeType, InputStream content) {
    1.62 +        if (relativePath == null || mimeType == null || content == null) {
    1.63 +            throw new NullPointerException();
    1.64 +        }
    1.65 +        resources.add(new Resource(content, mimeType, relativePath));
    1.66 +    }
    1.67 +    
    1.68 +    /** Invokes the associated method. 
    1.69 +     * @return the textual result of the invocation
    1.70 +     */
    1.71 +    public String invoke() throws IOException {
    1.72 +        launcher.runMethod(this);
    1.73 +        return toString();
    1.74 +    }
    1.75 +    
    1.76 +    /** Obtains textual result of the invocation.
    1.77 +     * @return text representing the exception or result value
    1.78 +     */
    1.79 +    @Override
    1.80 +    public String toString() {
    1.81 +        if (exception != null) {
    1.82 +            return exception.toString();
    1.83 +        }
    1.84 +        return result;
    1.85 +    }
    1.86 +    
    1.87 +    /**
    1.88 +     * @param timeOut
    1.89 +     * @throws InterruptedException 
    1.90 +     */
    1.91 +    void await(long timeOut) throws InterruptedException {
    1.92 +        wait.await(timeOut, TimeUnit.MILLISECONDS);
    1.93 +    }
    1.94 +    
    1.95 +    void result(String r, Throwable e) {
    1.96 +        this.result = r;
    1.97 +        this.exception = e;
    1.98 +        wait.countDown();
    1.99 +    }
   1.100 +
   1.101 +
   1.102 +    static final class Resource {
   1.103 +        final InputStream httpContent;
   1.104 +        final String httpType;
   1.105 +        final String httpPath;
   1.106 +
   1.107 +        Resource(InputStream httpContent, String httpType, String httpPath) {
   1.108 +            this.httpContent = httpContent;
   1.109 +            this.httpType = httpType;
   1.110 +            this.httpPath = httpPath;
   1.111 +        }
   1.112 +    }
   1.113 +}