author | Jaroslav Tulach <jtulach@netbeans.org> |
Sat, 14 Feb 2009 17:30:06 +0100 | |
changeset 321 | 06bf3a32eaa0 |
parent 155 | c00f947c0936 |
permissions | -rw-r--r-- |
jtulach@155 | 1 |
package org.apidesign.runtime.check; |
jtulach@155 | 2 |
|
jtulach@155 | 3 |
import java.util.Map; |
jtulach@155 | 4 |
|
jtulach@155 | 5 |
public final class RuntimeCheck { |
jtulach@155 | 6 |
private RuntimeCheck() { |
jtulach@155 | 7 |
} |
jtulach@155 | 8 |
|
jtulach@155 | 9 |
public static boolean requiresAtLeast(String minVersion, String apiName, ClassLoader caller) { |
jtulach@155 | 10 |
if (caller instanceof AwareLoader) { |
jtulach@155 | 11 |
String realVersion = ((AwareLoader)caller).requestedVersion(apiName); |
jtulach@155 | 12 |
if (realVersion != null) { |
jtulach@155 | 13 |
double minV = Double.parseDouble(minVersion); |
jtulach@155 | 14 |
double realV = Double.parseDouble(realVersion); |
jtulach@155 | 15 |
return minV <= realV; |
jtulach@155 | 16 |
} |
jtulach@155 | 17 |
} |
jtulach@155 | 18 |
return false; |
jtulach@155 | 19 |
} |
jtulach@155 | 20 |
|
jtulach@155 | 21 |
public static interface AwareLoader { |
jtulach@155 | 22 |
public String requestedVersion(String apiName); |
jtulach@155 | 23 |
} |
jtulach@155 | 24 |
|
jtulach@155 | 25 |
|
jtulach@155 | 26 |
|
jtulach@155 | 27 |
public static ClassLoader create(ClassLoader wrap, Map<String,String> requiredVersion) { |
jtulach@155 | 28 |
return new VersionAwareClassLoader(wrap, requiredVersion); |
jtulach@155 | 29 |
} |
jtulach@155 | 30 |
} |