| /* |
| * $Header: /cvshome/build/org.osgi.util.gsm/src/org/osgi/util/gsm/IMSICondition.java,v 1.22 2006/07/12 21:21:32 hargrave Exp $ |
| * |
| * Copyright (c) OSGi Alliance (2004, 2006). All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.osgi.util.gsm; |
| |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.condpermadmin.Condition; |
| import org.osgi.service.condpermadmin.ConditionInfo; |
| |
| /** |
| * Class representing an IMSI condition. Instances of this class contain a |
| * string value that is matched against the IMSI of the subscriber. |
| */ |
| public class IMSICondition { |
| private static final String ORG_OSGI_UTIL_GSM_IMSI = "org.osgi.util.gsm.imsi"; |
| private static final String imsi; |
| |
| static { |
| imsi = (String) |
| AccessController.doPrivileged( |
| new PrivilegedAction() { |
| public Object run() { |
| return System.getProperty(ORG_OSGI_UTIL_GSM_IMSI); |
| } |
| } |
| ); |
| } |
| |
| private IMSICondition() {} |
| |
| /** |
| * Creates an IMSI condition object. |
| * |
| * @param bundle ignored, as the IMSI number is the same for all bundles. |
| * @param conditionInfo contains the IMSI value to match the device's IMSI against. Its |
| * {@link ConditionInfo#getArgs()} method should return a String array with one value, the |
| * IMSI string. The IMSI is 15 digits without hypens. Limited pattern matching is allowed, |
| * then the string is 0 to 14 digits, followed by an asterisk(<code>*</code>). |
| * @return An IMSICondition object, that can tell whether its IMSI number matches that of the device. |
| * If the number contains an asterisk(<code>*</code>), then the beginning |
| * of the IMSI is compared to the pattern. |
| * @throws NullPointerException if one of the parameters is <code>null</code>. |
| * @throws IllegalArgumentException if the IMSI is not a string of 15 digits, or |
| * 0 to 14 digits with an <code>*</code> at the end. |
| */ |
| public static Condition getCondition(Bundle bundle, ConditionInfo conditionInfo) { |
| if (bundle==null) throw new NullPointerException("bundle"); |
| if (conditionInfo==null) throw new NullPointerException("conditionInfo"); |
| String imsi = conditionInfo.getArgs()[0]; |
| if (imsi.length()>15) throw new IllegalArgumentException("imsi too long: "+imsi); |
| if (imsi.endsWith("*")) { |
| imsi = imsi.substring(0,imsi.length()-1); |
| } else { |
| if (imsi.length()!=15) throw new IllegalArgumentException("not a valid imei: "+imsi); |
| } |
| for(int i=0;i<imsi.length();i++) { |
| int c = imsi.charAt(i); |
| if (c<'0'||c>'9') throw new IllegalArgumentException("not a valid imei: "+imsi); |
| } |
| if (IMSICondition.imsi==null) { |
| System.err.println("The OSGI Reference Implementation of org.osgi.util.gsm.IMSICondition "); |
| System.err.println("needs the system property "+ORG_OSGI_UTIL_GSM_IMSI+" set."); |
| return Condition.FALSE; |
| } |
| return (IMSICondition.imsi.startsWith(imsi))?Condition.TRUE:Condition.FALSE; |
| } |
| } |