|
| 1 | +/* |
| 2 | + * Copyright 2013 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 | +import java.lang.management.ManagementFactory |
| 18 | + |
| 19 | + |
| 20 | +class Main { |
| 21 | + |
| 22 | + static { |
| 23 | + if (System.getenv()['FAIL_INIT'] != null) { |
| 24 | + throw new RuntimeException('$FAIL_INIT caused initialisation to fail') |
| 25 | + } |
| 26 | + } |
| 27 | + |
| 28 | + static void main(String[] args) { |
| 29 | + if (System.getenv()['FAIL_OOM'] != null) { |
| 30 | + Thread.start { |
| 31 | + println "Provoking OOM..." |
| 32 | + byte[] _ = new byte[Integer.MAX_VALUE] |
| 33 | + } |
| 34 | + } |
| 35 | + |
| 36 | + def runtimeMxBean = ManagementFactory.getRuntimeMXBean() |
| 37 | + def data = new TreeMap() |
| 38 | + data["Class Path"] = runtimeMxBean.classPath.split(':') |
| 39 | + data["Environment Variables"] = System.getenv() |
| 40 | + data["Input Arguments"] = runtimeMxBean.inputArguments |
| 41 | + |
| 42 | + map(data, new IndentingPrintStream(System.out)) |
| 43 | + |
| 44 | + println '' |
| 45 | + println "Sleeping for 1 minute..." |
| 46 | + Thread.sleep(60 * 1000) |
| 47 | + } |
| 48 | + |
| 49 | + def static list(data, out) { |
| 50 | + data.each { value -> out.println value } |
| 51 | + } |
| 52 | + |
| 53 | + def static map(data, out) { |
| 54 | + data.keySet().each { key -> |
| 55 | + out.println key |
| 56 | + |
| 57 | + def value = data[key] |
| 58 | + def indented = out.indent() |
| 59 | + |
| 60 | + if(value instanceof List) { |
| 61 | + list value, indented |
| 62 | + } else if (value.getClass().isArray()) { |
| 63 | + list Arrays.asList(value), indented |
| 64 | + } else if (value instanceof Map) { |
| 65 | + map value, indented |
| 66 | + } else if (value instanceof String) { |
| 67 | + indented.println value |
| 68 | + } else { |
| 69 | + indented.println "Unknown value type '" + value.getClass().simpleName + "'" |
| 70 | + } |
| 71 | + } |
| 72 | + } |
| 73 | + |
| 74 | + static class IndentingPrintStream { |
| 75 | + |
| 76 | + def indent |
| 77 | + |
| 78 | + def out |
| 79 | + |
| 80 | + IndentingPrintStream(PrintStream out) { |
| 81 | + this(0, out) |
| 82 | + } |
| 83 | + |
| 84 | + IndentingPrintStream(int indent, PrintStream out) { |
| 85 | + this.indent = indent |
| 86 | + this.out = out |
| 87 | + } |
| 88 | + |
| 89 | + void println(String s) { |
| 90 | + def sb = new StringBuilder() |
| 91 | + |
| 92 | + for (int i = 0; i < indent; i++) { |
| 93 | + sb.append '\t' |
| 94 | + } |
| 95 | + |
| 96 | + sb.append s |
| 97 | + |
| 98 | + out.println sb.toString() |
| 99 | + } |
| 100 | + |
| 101 | + IndentingPrintStream indent() { |
| 102 | + return new IndentingPrintStream(indent + 1, out) |
| 103 | + } |
| 104 | + } |
| 105 | +} |
0 commit comments