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1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * |
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4 * Redistribution and use in source and binary forms, with or without |
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5 * modification, are permitted provided that the following conditions |
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6 * are met: |
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7 * |
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8 * - Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * |
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11 * - Redistributions in binary form must reproduce the above copyright |
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12 * notice, this list of conditions and the following disclaimer in the |
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13 * documentation and/or other materials provided with the distribution. |
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14 * |
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15 * - Neither the name of Oracle nor the names of its |
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16 * contributors may be used to endorse or promote products derived |
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17 * from this software without specific prior written permission. |
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18 * |
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19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 */ |
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31 |
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32 // Sample demonstrating calling Java methods like normal |
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33 // functions. Bound instance methods, static methods can be |
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34 // called like normal script functions. |
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35 |
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36 // Java types used |
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37 var Files = Java.type("java.nio.file.Files"); |
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38 var FileSystems = Java.type("java.nio.file.FileSystems"); |
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39 var System = Java.type("java.lang.System"); |
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40 |
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41 var fs = FileSystems.default; |
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42 var bind = Function.prototype.bind; |
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43 |
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44 // Java methods as "functions" |
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45 |
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46 // Java method with bound "this" |
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47 var Path = bind.call(fs.getPath, fs); |
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48 // Java static method |
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49 var Property = System.getProperty; |
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50 |
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51 // call Java static methods and bound instance methods |
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52 // like normal script functions. |
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53 |
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54 var root = Path("/"); |
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55 // print URI for root dir |
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56 print(root.toUri()); |
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57 var home = Path(Property("user.home")); |
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58 // list home directory |
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59 Files.walk(home).forEach(print); |