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1   /*
2    * Copyright 2007-2008 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.gwe.integration.slicer;
18  
19  import java.io.BufferedReader;
20  import java.io.IOException;
21  import java.io.InputStream;
22  import java.io.InputStreamReader;
23  import java.util.Map;
24  
25  import org.gwe.utils.IOUtils;
26  import org.gwe.utils.StringUtils;
27  
28  
29  /**
30   * @author Marco Ruiz
31   * @since Dec 18, 2007
32   */
33  public class WrapperCLMProxyApp extends AbstractCLMProxyApp {
34  
35  	protected String proxiedModuleName;
36  
37  	public WrapperCLMProxyApp(String proxiedModuleName) {
38  		this.proxiedModuleName = proxiedModuleName;
39  	}
40  
41  	public String getProxiedModuleName() {
42      	return proxiedModuleName;
43      }
44  
45  	public String getProxiedModuleInvocation() {
46  		return getModuleInvocation(slicerHome);
47  	}
48  	
49  	public String getModuleInvocation(String slicerHomeDir) {
50  		return slicerHomeDir + "/Slicer3 --launch " + IOUtils.concatenatePaths(getPluginsDir(slicerHomeDir), proxiedModuleName);
51  	}
52  	
53  	protected String generateCLMErrorXML(IOException e) {
54  		// TODO Generate XML descriptor error and output it to present the user with a CLM with the error message in the 'Help' tab
55  		return "";
56  	}
57  	
58  	public String generateProxyXML() {
59  		return executeOSCommand(getProxiedModuleInvocation() + " --xml");
60  	}
61  	
62  	public String runProxyApp(String[] args) throws Exception {
63  		return executeOSCommand(createOSCommand(args));
64  	}
65  
66  	public String createOSCommand(String[] args) {
67  	    return getProxiedModuleInvocation() + " " + StringUtils.getArrayAsStr(args);
68      }
69  
70  	private String executeOSCommand(String cmd) {
71  	    try {
72  			BufferedReader rdr = new BufferedReader(new InputStreamReader(executeOSCommandInternal(cmd)));
73  			StringBuffer stdOut = new StringBuffer();
74  			char[] cbuf = new char[1024];
75  			for (int read = 0; read > -1; read = rdr.read(cbuf)) stdOut.append(new String(cbuf).substring(0, read));
76  			return stdOut.toString();
77  		} catch (IOException e) {
78  			return generateCLMErrorXML(e);
79  		}
80      }
81  	
82  	private InputStream executeOSCommandInternal2(String cmd) {
83  		try {
84  	        return Runtime.getRuntime().exec(cmd).getInputStream();
85  	    } catch (IOException e) {
86  	    	return null;
87  	    }
88  	}
89  
90  	private InputStream executeOSCommandInternal(String cmd) {
91  		try {
92  			ProcessBuilder processBuilder = new ProcessBuilder(cmd.split(" "));
93  			Map<String, String> env = processBuilder.environment();
94  			Process proc = processBuilder.start();
95  			return proc.getInputStream();
96  	    } catch (IOException e) {
97  	    	return null;
98  	    }
99  	}
100 	
101 	public static void main(String[] args) {
102 		String cmd = "/Users/admin/Slicer3-3.0.2008-02-14-darwin-x86/Slicer3 --launch /Users/admin/Slicer3-3.0.2008-02-14-darwin-x86/lib/Slicer3/Plugins/dwiNoiseFilter /tmp/Slicer3admin/EAFB_vtkMRMLScalarVolumeNodeB.nrrd /tmp/Slicer3admin/EAFB_vtkMRMLScalarVolumeNodeC.nrrd --iter 1 --re 3,3,0 --rf 3,3,0 --mnvf 1 --mnve 1 --minnstd 0 --maxnstd 10000 --hrf 2 --uav";
103 //		String cmd = "/Users/admin/Slicer3-3.0.2008-02-14-darwin-x86/Slicer3 --launch /Users/admin/Slicer3-3.0.2008-02-14-darwin-x86/lib/Slicer3/Plugins/GradientAnisotropicDiffusion /tmp/Slicer3admin/DGCD_vtkMRMLScalarVolumeNodeC.nrrd /tmp/Slicer3admin/DGCD_vtkMRMLScalarVolumeNodeD.nrrd --conductance 1 --timeStep 0.0625 --iterations 1";
104 		new WrapperCLMProxyApp(cmd).executeOSCommand(cmd);
105 	}
106 }
107