Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/testlibrary/com/oracle/java/testlibrary/InputArguments.java
test/testlibrary/com/oracle/java/testlibrary/InputArguments.java
- changeset 5716
- 73d0d0218068
- parent 5531
- 1a8fb39bdbc4
- child 6876
- 710a3c8b516e
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| 5715:fac394091d73 | 5716:73d0d0218068 |
|---|---|
| 39 } | 39 } |
| 40 | 40 |
| 41 /** | 41 /** |
| 42 * Returns true if {@code arg} is an input argument to the VM. | 42 * Returns true if {@code arg} is an input argument to the VM. |
| 43 * | 43 * |
| 44 * This is useful for checking boolean flags such as -XX:+UseSerialGC or | |
| 45 * -XX:-UsePerfData. | |
| 46 * | |
| 44 * @param arg The name of the argument. | 47 * @param arg The name of the argument. |
| 45 * @return {@code true} if the given argument is an input argument, | 48 * @return {@code true} if the given argument is an input argument, |
| 46 * otherwise {@code false}. | 49 * otherwise {@code false}. |
| 47 */ | 50 */ |
| 48 public static boolean contains(String arg) { | 51 public static boolean contains(String arg) { |
| 49 return args.contains(arg); | 52 return args.contains(arg); |
| 50 } | 53 } |
| 54 | |
| 55 /** | |
| 56 * Returns true if {@code prefix} is the start of an input argument to the | |
| 57 * VM. | |
| 58 * | |
| 59 * This is useful for checking if flags describing a quantity, such as | |
| 60 * -XX:+MaxMetaspaceSize=100m, is set without having to know the quantity. | |
| 61 * To check if the flag -XX:MaxMetaspaceSize is set, use | |
| 62 * {@code InputArguments.containsPrefix("-XX:MaxMetaspaceSize")}. | |
| 63 * | |
| 64 * @param prefix The start of the argument. | |
| 65 * @return {@code true} if the given argument is the start of an input | |
| 66 * argument, otherwise {@code false}. | |
| 67 */ | |
| 68 public static boolean containsPrefix(String prefix) { | |
| 69 for (String arg : args) { | |
| 70 if (arg.startsWith(prefix)) { | |
| 71 return true; | |
| 72 } | |
| 73 } | |
| 74 return false; | |
| 75 } | |
| 51 } | 76 } |
