| 1 | /**\r |
| 2 | * Copyright (C) 2003 <a href="http://www.lohndirekt.de/">lohndirekt.de</a>\r |
| 3 | *\r |
| 4 | * This library is free software; you can redistribute it and/or\r |
| 5 | * modify it under the terms of the GNU Lesser General Public\r |
| 6 | * License as published by the Free Software Foundation; either\r |
| 7 | * version 2.1 of the License, or (at your option) any later version.\r |
| 8 | * \r |
| 9 | * This library is distributed in the hope that it will be useful,\r |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r |
| 12 | * Lesser General Public License for more details.\r |
| 13 | * \r |
| 14 | * You should have received a copy of the GNU Lesser General Public\r |
| 15 | * License along with this library; if not, write to the Free Software\r |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r |
| 17 | * \r |
| 18 | */\r |
| 19 | package de.lohndirekt.print;\r |
| 20 | \r |
| 21 | import java.lang.reflect.Constructor;\r |
| 22 | import java.net.URI;\r |
| 23 | \r |
| 24 | import javax.print.attribute.AttributeSet;\r |
| 25 | import javax.print.attribute.HashAttributeSet;\r |
| 26 | import javax.print.attribute.standard.RequestingUserName;\r |
| 27 | \r |
| 28 | import de.lohndirekt.print.attribute.auth.RequestingUserPassword;\r |
| 29 | import de.lohndirekt.print.attribute.ipp.printerdesc.supported.OperationsSupported;\r |
| 30 | \r |
| 31 | /**\r |
| 32 | * @author bpusch\r |
| 33 | * \r |
| 34 | */\r |
| 35 | public final class IppRequestFactory {\r |
| 36 | \r |
| 37 | final static String IPP_REQUEST_IMPL_KEY = "de.lohndirekt.print.IppRequest.Impl";\r |
| 38 | \r |
| 39 | final static IppRequest createIppRequest(URI uri,\r |
| 40 | OperationsSupported operation, RequestingUserName user,\r |
| 41 | RequestingUserPassword passwd) {\r |
| 42 | String requestClassName = System.getProperty(IPP_REQUEST_IMPL_KEY);\r |
| 43 | IppRequest request = null;\r |
| 44 | if (requestClassName == null) {\r |
| 45 | request = new IppRequestCupsImpl(uri, operation);\r |
| 46 | } else {\r |
| 47 | Class clazz = null;\r |
| 48 | try {\r |
| 49 | clazz = Class.forName(requestClassName);\r |
| 50 | } catch (ClassNotFoundException e) {\r |
| 51 | throw new IllegalArgumentException("Class " + requestClassName\r |
| 52 | + " does not exist.");\r |
| 53 | }\r |
| 54 | \r |
| 55 | try {\r |
| 56 | Constructor constructor = clazz\r |
| 57 | .getDeclaredConstructor(new Class[] { URI.class,\r |
| 58 | OperationsSupported.class });\r |
| 59 | request = (IppRequest) constructor.newInstance(new Object[] {\r |
| 60 | uri, operation });\r |
| 61 | } catch (Exception e) {\r |
| 62 | throw new RuntimeException(e);\r |
| 63 | }\r |
| 64 | }\r |
| 65 | if (user != null && passwd != null) {\r |
| 66 | AttributeSet set = new HashAttributeSet();\r |
| 67 | set.add(user);\r |
| 68 | set.add(passwd);\r |
| 69 | request.addOperationAttributes(set);\r |
| 70 | }\r |
| 71 | return request;\r |
| 72 | }\r |
| 73 | } |