Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "ucpext_provider.hxx"
21 : #include "ucpext_content.hxx"
22 :
23 : #include <ucbhelper/contentidentifier.hxx>
24 : #include <osl/diagnose.h>
25 : #include <osl/mutex.hxx>
26 : #include <comphelper/componentcontext.hxx>
27 : #include <rtl/ustrbuf.hxx>
28 :
29 : //......................................................................................................................
30 : namespace ucb { namespace ucp { namespace ext
31 : {
32 : //......................................................................................................................
33 :
34 : /** === begin UNO using === **/
35 : using ::com::sun::star::uno::Reference;
36 : using ::com::sun::star::uno::XInterface;
37 : using ::com::sun::star::uno::UNO_QUERY;
38 : using ::com::sun::star::uno::UNO_QUERY_THROW;
39 : using ::com::sun::star::uno::UNO_SET_THROW;
40 : using ::com::sun::star::uno::Exception;
41 : using ::com::sun::star::uno::RuntimeException;
42 : using ::com::sun::star::uno::Any;
43 : using ::com::sun::star::uno::makeAny;
44 : using ::com::sun::star::uno::Sequence;
45 : using ::com::sun::star::uno::Type;
46 : using ::com::sun::star::lang::XMultiServiceFactory;
47 : using ::com::sun::star::ucb::XContentIdentifier;
48 : using ::com::sun::star::ucb::IllegalIdentifierException;
49 : using ::com::sun::star::ucb::XContent;
50 : using ::com::sun::star::uno::XComponentContext;
51 : /** === end UNO using === **/
52 :
53 : //==================================================================================================================
54 : //= ContentProvider
55 : //==================================================================================================================
56 : //------------------------------------------------------------------------------------------------------------------
57 0 : ContentProvider::ContentProvider( const Reference< XComponentContext >& rxContext )
58 0 : :ContentProvider_Base( rxContext )
59 : {
60 0 : }
61 :
62 : //------------------------------------------------------------------------------------------------------------------
63 0 : ContentProvider::~ContentProvider()
64 : {
65 0 : }
66 :
67 : //------------------------------------------------------------------------------------------------------------------
68 0 : ::rtl::OUString SAL_CALL ContentProvider::getImplementationName_static() throw (RuntimeException)
69 : {
70 0 : return ::rtl::OUString( "org.openoffice.comp.ucp.ext.ContentProvider" );
71 : }
72 :
73 : //------------------------------------------------------------------------------------------------------------------
74 0 : ::rtl::OUString SAL_CALL ContentProvider::getImplementationName() throw (RuntimeException)
75 : {
76 0 : return getImplementationName_static();
77 : }
78 :
79 : //------------------------------------------------------------------------------------------------------------------
80 0 : Sequence< ::rtl::OUString > SAL_CALL ContentProvider::getSupportedServiceNames_static( ) throw (RuntimeException)
81 : {
82 0 : Sequence< ::rtl::OUString > aServiceNames(2);
83 0 : aServiceNames[0] = ::rtl::OUString( "com.sun.star.ucb.ContentProvider" );
84 0 : aServiceNames[1] = ::rtl::OUString( "com.sun.star.ucb.ExtensionContentProvider" );
85 0 : return aServiceNames;
86 : }
87 :
88 : //------------------------------------------------------------------------------------------------------------------
89 0 : Sequence< ::rtl::OUString > SAL_CALL ContentProvider::getSupportedServiceNames( ) throw (RuntimeException)
90 : {
91 0 : return getSupportedServiceNames_static();
92 : }
93 :
94 : //------------------------------------------------------------------------------------------------------------------
95 0 : Reference< XInterface > ContentProvider::Create( const Reference< XComponentContext >& i_rContext )
96 : {
97 0 : return *( new ContentProvider( i_rContext ) );
98 : }
99 :
100 : //------------------------------------------------------------------------------------------------------------------
101 0 : ::rtl::OUString ContentProvider::getRootURL()
102 : {
103 0 : return ::rtl::OUString( "vnd.sun.star.extension://" );
104 : }
105 :
106 : //------------------------------------------------------------------------------------------------------------------
107 0 : ::rtl::OUString ContentProvider::getArtificialNodeContentType()
108 : {
109 0 : return ::rtl::OUString( "application/vnd.sun.star.extension-content" );
110 : }
111 :
112 : //------------------------------------------------------------------------------------------------------------------
113 : namespace
114 : {
115 0 : void lcl_ensureAndTransfer( ::rtl::OUString& io_rIdentifierFragment, ::rtl::OUStringBuffer& o_rNormalization, const sal_Unicode i_nLeadingChar )
116 : {
117 0 : if ( ( io_rIdentifierFragment.isEmpty() ) || ( io_rIdentifierFragment[0] != i_nLeadingChar ) )
118 0 : throw IllegalIdentifierException();
119 0 : io_rIdentifierFragment = io_rIdentifierFragment.copy( 1 );
120 0 : o_rNormalization.append( i_nLeadingChar );
121 0 : }
122 : }
123 :
124 : //------------------------------------------------------------------------------------------------------------------
125 0 : Reference< XContent > SAL_CALL ContentProvider::queryContent( const Reference< XContentIdentifier >& i_rIdentifier )
126 : throw( IllegalIdentifierException, RuntimeException )
127 : {
128 : // Check URL scheme...
129 0 : const ::rtl::OUString sScheme( "vnd.sun.star.extension" );
130 0 : if ( !i_rIdentifier->getContentProviderScheme().equalsIgnoreAsciiCase( sScheme ) )
131 0 : throw IllegalIdentifierException();
132 :
133 : // normalize the identifier
134 0 : const ::rtl::OUString sIdentifier( i_rIdentifier->getContentIdentifier() );
135 :
136 : // the scheme needs to be lower-case
137 0 : ::rtl::OUStringBuffer aComposer;
138 0 : aComposer.append( sIdentifier.copy( 0, sScheme.getLength() ).toAsciiLowerCase() );
139 :
140 : // one : is required after the scheme
141 0 : ::rtl::OUString sRemaining( sIdentifier.copy( sScheme.getLength() ) );
142 0 : lcl_ensureAndTransfer( sRemaining, aComposer, ':' );
143 :
144 : // and at least one /
145 0 : lcl_ensureAndTransfer( sRemaining, aComposer, '/' );
146 :
147 : // the normalized form requires one additional /, but we also accept identifiers which don't have it
148 0 : if ( sRemaining.isEmpty() )
149 : {
150 : // the root content is a special case, it requires ///
151 0 : aComposer.appendAscii( "//" );
152 : }
153 : else
154 : {
155 0 : if ( sRemaining[0] != '/' )
156 : {
157 0 : aComposer.append( sal_Unicode( '/' ) );
158 0 : aComposer.append( sRemaining );
159 : }
160 : else
161 : {
162 0 : lcl_ensureAndTransfer( sRemaining, aComposer, '/' );
163 : // by now, we moved "vnd.sun.star.extension://" from the URL to aComposer
164 0 : if ( sRemaining.isEmpty() )
165 : {
166 : // again, it's the root content, but one / is missing
167 0 : aComposer.append( sal_Unicode( '/' ) );
168 : }
169 : else
170 : {
171 0 : aComposer.append( sRemaining );
172 : }
173 : }
174 : }
175 0 : const Reference< XContentIdentifier > xNormalizedIdentifier( new ::ucbhelper::ContentIdentifier( aComposer.makeStringAndClear() ) );
176 :
177 0 : ::osl::MutexGuard aGuard( m_aMutex );
178 :
179 : // check if a content with given id already exists...
180 0 : Reference< XContent > xContent( queryExistingContent( xNormalizedIdentifier ).get() );
181 0 : if ( xContent.is() )
182 : return xContent;
183 :
184 : // create a new content
185 0 : xContent = new Content( m_xContext, this, xNormalizedIdentifier );
186 0 : if ( !xContent->getIdentifier().is() )
187 0 : throw IllegalIdentifierException();
188 :
189 0 : registerNewContent( xContent );
190 0 : return xContent;
191 : }
192 :
193 : //......................................................................................................................
194 : } } } // namespace ucb::ucp::ext
195 : //......................................................................................................................
196 :
197 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
