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Java > Open Source Codes > org > apache > fop > fonts > FontResolver


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */

17
18 /* $Id$ */
19
20 package org.apache.fop.fonts;
21
22 import javax.xml.transform.Source JavaDoc;
23
24 /**
25  * This interface is used to resolve absolute and relative font URIs.
26  */

27 public interface FontResolver {
28
29     /**
30      * Called to resolve an URI to a Source instance. The base URI needed by the URIResolver's
31      * resolve() method is defined to be implicitely available in this case. If the URI cannot
32      * be resolved, null is returned and it is assumed that the FontResolver implementation
33      * already warned the user about the problem.
34      * @param href An href attribute, which may be relative or absolute.
35      * @return A Source object, or null if the href could not resolved.
36      */

37     Source JavaDoc resolve(String JavaDoc href);
38     
39 }
40
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