API Overview API Index Package Overview Direct link to this page
JDK 1.6
  org.jcp.xml.dsig.internal.dom. DOMSignatureProperty View Javadoc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170

/*
 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
 */
/*
 * $Id: DOMSignatureProperty.java,v 1.14 2005/05/12 19:28:32 mullan Exp $
 */
package org.jcp.xml.dsig.internal.dom;

import javax.xml.crypto.*;
import javax.xml.crypto.dom.DOMCryptoContext;
import javax.xml.crypto.dsig.*;

import java.util.*;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * DOM-based implementation of SignatureProperty.
 *
 * @author Sean Mullan
 */
public final class DOMSignatureProperty extends DOMStructure 
    implements SignatureProperty {
 
    private final String id;
    private final String target;
    private final List content;

    /**
     * Creates a <code>SignatureProperty</code> from the specified parameters.
     *
     * @param content a list of one or more {@link XMLStructure}s. The list
     *    is defensively copied to protect against subsequent modification.
     * @param target the target URI
     * @param id the Id (may be <code>null</code>)
     * @return a <code>SignatureProperty</code>
     * @throws ClassCastException if <code>content</code> contains any
     *    entries that are not of type {@link XMLStructure}
     * @throws IllegalArgumentException if <code>content</code> is empty
     * @throws NullPointerException if <code>content</code> or 
     *    <code>target</code> is <code>null</code>
     */
    public DOMSignatureProperty(List content, String target, String id) {
	if (target == null) {
	    throw new NullPointerException("target cannot be null");
	} else if (content == null) {
	    throw new NullPointerException("content cannot be null");
	} else if (content.isEmpty()) {
	    throw new IllegalArgumentException("content cannot be empty");
        } else {
            List contentCopy = new ArrayList(content);
            for (int i = 0, size = contentCopy.size(); i < size; i++) {
                if (!(contentCopy.get(i) instanceof XMLStructure)) {
                    throw new ClassCastException
                        ("content["+i+"] is not a valid type");
                }
            }
            this.content = Collections.unmodifiableList(contentCopy);
        }
	this.target = target;
	this.id = id;
    }

    /**
     * Creates a <code>DOMSignatureProperty</code> from an element.
     *
     * @param propElem a SignatureProperty element
     */
    public DOMSignatureProperty(Element propElem) throws MarshalException {
	// unmarshal attributes
        target = DOMUtils.getAttributeValue(propElem, "Target");
	if (target == null) {
	    throw new MarshalException("target cannot be null");
	}
        id = DOMUtils.getAttributeValue(propElem, "Id");

	NodeList nodes = propElem.getChildNodes();
	int length = nodes.getLength();
	List content = new ArrayList(length);
	for (int i = 0; i < length; i++) {
	    content.add(new javax.xml.crypto.dom.DOMStructure(nodes.item(i)));
	}
        if (content.isEmpty()) {
	    throw new MarshalException("content cannot be empty");
        } else {
            this.content = Collections.unmodifiableList(content);
        }
    }

    public List getContent() {
        return content;
    }

    public String getId() {
        return id;
    }

    public String getTarget() {
        return target;
    }

    public void marshal(Node parent, String dsPrefix, DOMCryptoContext context)
	throws MarshalException {
        Document ownerDoc = DOMUtils.getOwnerDocument(parent);

        Element propElem = DOMUtils.createElement
            (ownerDoc, "SignatureProperty", XMLSignature.XMLNS, dsPrefix);

	// set attributes
	DOMUtils.setAttributeID(propElem, "Id", id);
        DOMUtils.setAttribute(propElem, "Target", target);

        // create and append any elements and mixed content
	for (int i = 0, size = content.size(); i < size; i++) {
	    javax.xml.crypto.dom.DOMStructure property = 
		(javax.xml.crypto.dom.DOMStructure) content.get(i);
	    DOMUtils.appendChild(propElem, property.getNode());
        }
	    
	parent.appendChild(propElem);
    }

    public boolean equals(Object o) {
	if (this == o) {
            return true;
	}

	if (!(o instanceof SignatureProperty)) {
            return false;
	}
        SignatureProperty osp = (SignatureProperty) o;

	boolean idsEqual = (id == null ? osp.getId() == null :
            id.equals(osp.getId()));

	return (equalsContent(osp.getContent()) && 
	    target.equals(osp.getTarget()) && idsEqual);
    }

    private boolean equalsContent(List otherContent) {
	int osize = otherContent.size();
	if (content.size() != osize) {
            return false;
	}
        for (int i = 0; i < osize; i++) {
            XMLStructure oxs = (XMLStructure) otherContent.get(i);
            XMLStructure xs = (XMLStructure) content.get(i);
            if (oxs instanceof javax.xml.crypto.dom.DOMStructure) {
		if (!(xs instanceof javax.xml.crypto.dom.DOMStructure)) {
                    return false;
		}
                Node onode =
                    ((javax.xml.crypto.dom.DOMStructure) oxs).getNode();
		Node node =
                    ((javax.xml.crypto.dom.DOMStructure) xs).getNode();
		if (!DOMUtils.nodesEqual(node, onode)) {
		    return false;
		}
            } else {
		if (!(xs.equals(oxs))) {
                    return false;
		}
            }
	}

	return true;
    }
}

Generated By: JavaOnTracks Doclet 0.1.4     ©Thibaut Colar