01: /*
02: (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: All rights reserved - see end of file.
04: $Id: CannotConstructException.java,v 1.8 2008/01/02 12:07:38 andy_seaborne Exp $
05: */
06:
07: package com.hp.hpl.jena.assembler.exceptions;
08:
09: import com.hp.hpl.jena.assembler.Assembler;
10: import com.hp.hpl.jena.rdf.model.Resource;
11:
12: /**
13: Exception used to report a failure of a group assembler to construct an
14: object because there is no component assembler associated with the
15: object's most specific type.
16: @author kers
17: */
18: public class CannotConstructException extends AssemblerException {
19: protected final Resource type;
20: protected final Class assemblerClass;
21:
22: public CannotConstructException(Class assemblerClass,
23: Resource root, Resource type) {
24: super (root, constructMessage(assemblerClass, root, type));
25: this .type = type;
26: this .assemblerClass = assemblerClass;
27: }
28:
29: private static String constructMessage(Class assemblerClass,
30: Resource root, Resource type) {
31: return "the assembler " + getClassName(assemblerClass)
32: + " cannot construct the object named " + nice(root)
33: + " because it is not of rdf:type " + nice(type);
34: }
35:
36: private static final String rootPrefix = getPackagePrefix(Assembler.class
37: .getName());
38:
39: private static String getClassName(Class c) {
40: String name = c.getName();
41: return getPackagePrefix(name).equals(rootPrefix) ? getLeafName(name)
42: : name;
43: }
44:
45: private static String getLeafName(String name) {
46: return name.substring(name.lastIndexOf('.') + 1);
47: }
48:
49: private static String getPackagePrefix(String name) {
50: return name.substring(0, name.lastIndexOf('.'));
51: }
52:
53: /**
54: Answer the Assembler that cannot do the construction.
55: */
56: public Class getAssemblerClass() {
57: return assemblerClass;
58: }
59:
60: /**
61: Answer the (alleged most-specific) type of the object that could not be
62: constructed.
63: */
64: public Resource getType() {
65: return type;
66: }
67: }
68:
69: /*
70: * (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
71: * All rights reserved.
72: *
73: * Redistribution and use in source and binary forms, with or without
74: * modification, are permitted provided that the following conditions
75: * are met:
76: * 1. Redistributions of source code must retain the above copyright
77: * notice, this list of conditions and the following disclaimer.
78: * 2. Redistributions in binary form must reproduce the above copyright
79: * notice, this list of conditions and the following disclaimer in the
80: * documentation and/or other materials provided with the distribution.
81: * 3. The name of the author may not be used to endorse or promote products
82: * derived from this software without specific prior written permission.
83: *
84: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
85: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
86: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
87: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
88: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
89: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
90: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
91: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
92: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
93: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
94: */
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