Last change
on this file since 835 was 724, checked in by alloc, 12 years ago |
Platform tools library (information about platform, program execution)
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File size:
906 bytes
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1 | package net.oni2.platformtools.applicationinvoker;
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2 |
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3 | import java.io.File;
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4 |
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5 | import net.oni2.platformtools.PlatformInformation;
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6 | import net.oni2.platformtools.PlatformInformation.Platform;
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7 |
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8 | /**
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9 | * @author Christian Illy
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10 | */
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11 | public class Java {
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12 | private static int isFound = -1;
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13 | private static File jre = null;
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14 |
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15 | /**
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16 | * @return Was a JRE found
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17 | */
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18 | public static boolean isInstalled() {
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19 | if (isFound < 0) {
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20 | getRuntimeExe();
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21 | }
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22 | return isFound == 1;
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23 | }
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24 |
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25 | /**
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26 | * @return The JRE executable
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27 | */
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28 | public static File getRuntimeExe() {
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29 | if (isFound < 0) {
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30 | File jrehome = new File(System.getProperties().getProperty(
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31 | "java.home"), "bin");
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32 | if (PlatformInformation.getPlatform() == Platform.WIN)
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33 | jre = new File(jrehome, "javaw.exe");
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34 | else
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35 | jre = new File(jrehome, "java");
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36 | if (!jre.exists()) {
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37 | isFound = 0;
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38 | jre = null;
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39 | } else {
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40 | isFound = 1;
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41 | }
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42 | }
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43 | return jre;
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44 | }
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45 | }
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