001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.process;
016    
017    import com.liferay.portal.kernel.io.PathHolder;
018    import com.liferay.portal.kernel.util.ArrayUtil;
019    import com.liferay.portal.kernel.util.StringUtil;
020    
021    import java.io.File;
022    import java.io.Serializable;
023    
024    import java.util.Collections;
025    import java.util.List;
026    
027    /**
028     * @author Shuyang Zhou
029     */
030    public class ProcessConfig implements Serializable {
031    
032            public List<String> getArguments() {
033                    return _arguments;
034            }
035    
036            public String getBootstrapClassPath() {
037                    return StringUtil.merge(
038                            getBootstrapClassPathElements(), File.pathSeparator);
039            }
040    
041            public String[] getBootstrapClassPathElements() {
042                    return ArrayUtil.toStringArray(_bootstrapClassPathHolders);
043            }
044    
045            public String getJavaExecutable() {
046                    return _javaExecutable;
047            }
048    
049            public ClassLoader getReactClassLoader() {
050                    return _reactClassLoader;
051            }
052    
053            public String getRuntimeClassPath() {
054                    return StringUtil.merge(
055                            getRuntimeClassPathElements(), File.pathSeparator);
056            }
057    
058            public String[] getRuntimeClassPathElements() {
059                    return ArrayUtil.toStringArray(_runtimeClassPathHolders);
060            }
061    
062            public static class Builder {
063    
064                    public ProcessConfig build() {
065                            return new ProcessConfig(this);
066                    }
067    
068                    public Builder setArguments(List<String> arguments) {
069                            _arguments = arguments;
070    
071                            return this;
072                    }
073    
074                    public Builder setBootstrapClassPath(String bootstrapClassPath) {
075                            _bootstrapClassPath = bootstrapClassPath;
076    
077                            return this;
078                    }
079    
080                    public Builder setJavaExecutable(String javaExecutable) {
081                            _javaExecutable = javaExecutable;
082    
083                            return this;
084                    }
085    
086                    public Builder setReactClassLoader(ClassLoader reactClassLoader) {
087                            _reactClassLoader = reactClassLoader;
088    
089                            return this;
090                    }
091    
092                    public Builder setRuntimeClassPath(String runtimeClassPath) {
093                            _runtimeClassPath = runtimeClassPath;
094    
095                            return this;
096                    }
097    
098                    private List<String> _arguments = Collections.emptyList();
099                    private String _bootstrapClassPath = System.getProperty(
100                            "java.class.path");
101                    private String _javaExecutable = "java";
102                    private ClassLoader _reactClassLoader =
103                            ProcessConfig.class.getClassLoader();
104                    private String _runtimeClassPath = _bootstrapClassPath;
105    
106            }
107    
108            private ProcessConfig(Builder builder) {
109                    _arguments = builder._arguments;
110    
111                    _bootstrapClassPathHolders = toPathHolders(builder._bootstrapClassPath);
112    
113                    _javaExecutable = builder._javaExecutable;
114                    _reactClassLoader = builder._reactClassLoader;
115    
116                    _runtimeClassPathHolders = toPathHolders(builder._runtimeClassPath);
117            }
118    
119            private PathHolder[] toPathHolders(String classPath) {
120                    String[] classPathElements = StringUtil.split(
121                            classPath, File.pathSeparatorChar);
122    
123                    PathHolder[] classPathHolders =
124                            new PathHolder[classPathElements.length];
125    
126                    for (int i = 0; i < classPathElements.length; i++) {
127                            classPathHolders[i] = new PathHolder(classPathElements[i]);
128                    }
129    
130                    return classPathHolders;
131            }
132    
133            private static final long serialVersionUID = 1L;
134    
135            private final List<String> _arguments;
136            private final PathHolder[] _bootstrapClassPathHolders;
137            private final String _javaExecutable;
138            private final transient ClassLoader _reactClassLoader;
139            private final PathHolder[] _runtimeClassPathHolders;
140    
141    }