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package org.mule.tools.visualizer.util; |
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import org.mule.tools.visualizer.config.GraphEnvironment; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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public class DOTtoMAP |
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{ |
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private static final int BUFFER_SIZE = 32768; |
23 | 4 | private GraphEnvironment env = null; |
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DOTtoMAP(GraphEnvironment env) |
26 | 4 | { |
27 | 4 | this.env = env; |
28 | 4 | } |
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public static void transform(String dotExeFileName, |
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String dotFileName, |
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String outFormat, |
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OutputStream out, |
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GraphEnvironment env) throws IOException |
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{ |
36 | 0 | (new DOTtoMAP(env)).innerTransform(dotExeFileName, dotFileName, outFormat, out); |
37 | 0 | } |
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public static void transform(String dotExeFileName, |
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String dotFileName, |
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String outFileName, |
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GraphEnvironment env) throws IOException |
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{ |
44 | 4 | (new DOTtoMAP(env)).innerTransform(dotExeFileName, dotFileName, outFileName); |
45 | 4 | } |
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private String getFormatForFile(String outFileName) |
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{ |
49 | 4 | int idx = outFileName.lastIndexOf("."); |
50 | 4 | if (idx == -1 || idx == outFileName.length() - 1) |
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{ |
52 | 0 | throw new IllegalArgumentException("Can't determine file name extention for file name " |
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+ outFileName); |
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} |
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else |
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{ |
57 | 4 | return outFileName.substring(idx + 1); |
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} |
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} |
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private void innerTransform(String dotExeFileName, String dotFileName, String outFormat, OutputStream out) |
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throws IOException |
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{ |
64 | 0 | String exeCmd = dotExeFileName + " -T" + outFormat + " " + dotFileName; |
65 | 0 | Process p = Runtime.getRuntime().exec(exeCmd); |
66 | 0 | InputStream is = p.getInputStream(); |
67 | 0 | byte buf[] = new byte[BUFFER_SIZE]; |
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do |
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{ |
70 | 0 | int len = is.read(buf); |
71 | 0 | if (len > 0) |
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{ |
73 | 0 | out.write(buf, 0, len); |
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} |
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else |
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{ |
77 | 0 | is.close(); |
78 | 0 | return; |
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} |
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} |
81 | 0 | while (true); |
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} |
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private void innerTransform(String dotExeFileName, String dotFileName, String outFileName) |
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throws IOException |
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{ |
87 | 4 | String exeCmd = dotExeFileName + " -T" + getFormatForFile(outFileName) + " " + dotFileName + " -o " |
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+ outFileName; |
89 | 4 | env.log(exeCmd); |
90 | 4 | Process p = Runtime.getRuntime().exec(exeCmd); |
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try |
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{ |
93 | 4 | int i = p.waitFor(); |
94 | 4 | env.log("result code from process is: " + i); |
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} |
96 | 0 | catch (Exception ie) |
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{ |
98 | 0 | env.logError("Warning: failed to wait for native process to exit...", ie); |
99 | 4 | } |
100 | 4 | } |
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} |