summaryrefslogtreecommitdiff
path: root/jvmfwk/inc/elements.hxx
blob: eb174a4be3e9ed691d861353cbd4ce8a70ad6433 (plain)
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef INCLUDED_JVMFWK_SOURCE_ELEMENTS_HXX
#define INCLUDED_JVMFWK_SOURCE_ELEMENTS_HXX

#include <sal/config.h>

#include <memory>
#include <vector>
#include <jvmfwk/framework.hxx>
#include "fwkutil.hxx"
#include <rtl/ustring.hxx>
#include <rtl/byteseq.hxx>
#include <libxml/parser.h>
#include <boost/optional.hpp>

#define NS_JAVA_FRAMEWORK "http://openoffice.org/2004/java/framework/1.0"
#define NS_SCHEMA_INSTANCE "http://www.w3.org/2001/XMLSchema-instance"

namespace jfw
{

/** gets the value of the updated element from the javavendors.xml.
 */
OString getElementUpdated();

/** create the child elements within the root structure for each platform.

    @param bNeedsSave
    [out]If true then the respective structure of elements was added and the
    document needs to be saved.
 */
void createSettingsStructure(
    xmlDoc * document, bool * bNeedsSave);


/** represents the settings saved in the /java/javaInfo element.
    It is used within class NodeJava which determines the settings
    file.
*/
class CNodeJavaInfo
{
public:
    CNodeJavaInfo();
    ~CNodeJavaInfo();

    /** if true, then javaInfo is empty. When writeToNode is called
        then all child elements are deleted.
     */
    bool m_bEmptyNode;
    /** Contains the value of the <updated> element of
        the javavendors.xml after loadFromNode was called.
        It is not used, when the javaInfo node is written.
        see writeToNode
     */
    OString sAttrVendorUpdate;
    /** contains the nil value of the /java/javaInfo@xsi:nil attribute.
        Default is true;
     */
    bool bNil;
    /** contains the value of the /java/javaInfo@autoSelect attribute.
        Default is true. If it is false then the user has modified the JRE
        selection by actively choosing a JRE from the options dialog. That is,
        the function jfw_setSelectedJRE was called. Contrary, the function
        jfw_findAndSelectJRE sets the attribute to true.
     */
    bool bAutoSelect;
    OUString sVendor;
    OUString sLocation;
    OUString sVersion;
    sal_uInt64 nFeatures;
    sal_uInt64 nRequirements;
    ::rtl::ByteSequence arVendorData;

    /** reads the node /java/javaInfo.
        If javaInfo@xsi:nil = true then member bNil is set to true
        an no further elements are read.
     */
    void loadFromNode(xmlDoc * pDoc,xmlNode * pJavaInfo);
    /** The attribute nil will be set to false. The function gets the value
        javaSettings/updated from the javavendors.xml and writes it to
        javaInfo@vendorUpdate in javasettings.xml
     */
    void writeToNode(xmlDoc * pDoc, xmlNode * pJavaInfo) const;

    /** returns NULL if javaInfo is nil.
     */
    std::unique_ptr<JavaInfo> makeJavaInfo() const;
};

/** this class represents the java settings  based on a particular
    settings file.

    Which settings file is used is determined by the value passed into the
    constructor and the values of the bootstrap parameters
    UNO_JAVA_JFW_USER_DATA and UNO_JAVA_JFW_SHARED_DATA.

    The method load reads the data from the settings file.
    The method write stores the data into the settings file.
 */
class NodeJava
{
public:
    enum Layer { USER, SHARED };
private:

    /** creates settings file and fills it with default values.

        When this function is called then it creates the
        settings file at the position determined by the bootstrap parameters
        (UNO_JAVA_JFW_USER_DATA, UNO_JAVA_JFW_SHARED_DATA) and m_layer, unless
        the file already exists (see createSettingsDocument).

        @return
        JFW_E_CONFIG_READWRITE
    */
    bool prepareSettingsDocument() const;

    /** helper function for prepareSettingsDocument.
    */
    bool createSettingsDocument() const;

    /** returns the system path to the data file which is to be used. The value
        depends on the member m_layer and the bootstrap parameters
        UNO_JAVA_JFW_USER_DATA and UNO_JAVA_JFW_SHARED_DATA.
    */
    OString getSettingsPath() const;

    /** returns the file URL to the data file which is to be used. See getSettingsPath.
    */
    OUString getSettingsURL() const;

    /** Verifies if the respective settings file exist.
     */
    static jfw::FileStatus checkSettingsFileStatus(OUString const & sURL);

    /** Determines the layer for which the instance the loads and writes the
        data.
    */
    Layer m_layer;

    /** User configurable option.  /java/enabled
        If /java/enabled@xsi:nil == true then the value will be uninitialized
        after a call to load().
    */
    boost::optional<sal_Bool> m_enabled;

    /** User configurable option. /java/userClassPath
        If /java/userClassPath@xsi:nil == true then the value is uninitialized
        after a call to load().
    */
    boost::optional< OUString> m_userClassPath;
    /** User configurable option.  /java/javaInfo
        If /java/javaInfo@xsi:nil == true then the value is uninitialized
        after a call to load.
     */
    boost::optional<CNodeJavaInfo> m_javaInfo;
    /** User configurable option. /java/vmParameters
        If /java/vmParameters@xsi:nil == true then the value is uninitialized
        after a call to load.
    */
    boost::optional< ::std::vector< OUString> > m_vmParameters;
    /** User configurable option. /java/jreLocations
        If /java/jreLocaltions@xsi:nil == true then the value is uninitialized
        after a call to load.
    */
    boost::optional< ::std::vector< OUString> > m_JRELocations;

public:

    explicit NodeJava(Layer theLayer);

    /** sets m_enabled.
        /java/enabled@xsi:nil will be set to false when write is called.
     */
    void setEnabled(bool bEnabled);

    /** sets m_sUserClassPath. See setEnabled.
     */
    void setUserClassPath(const OUString & sClassPath);

    /** sets m_aInfo. See setEnabled.
        @param bAutoSelect
        true- called by jfw_setSelectedJRE
        false called by jfw_findAndSelectJRE
     */
    void setJavaInfo(const JavaInfo * pInfo, bool bAutoSelect);

    /** sets the /java/vmParameters/param elements.
        When this method all previous values are removed and replaced
        by those in arParameters.
        /java/vmParameters@xsi:nil will be set to true when write() is
        called.
     */
    void setVmParameters(std::vector<OUString> const & arParameters);

    /** adds a location to the already existing locations.
        Note: call load() before, then add the location and then call write().
    */
    void addJRELocation(OUString const & sLocation);

    /** writes the data to user settings.
     */
    void write() const;

    /** load the values of the settings file.
     */
    void load();

    /** returns the value of the element /java/enabled
     */
    const boost::optional<sal_Bool> & getEnabled() const { return m_enabled;}
    /** returns the value of the element /java/userClassPath.
     */
    const boost::optional< OUString> & getUserClassPath() const { return m_userClassPath;}

    /** returns the value of the element /java/javaInfo.
     */
    const boost::optional<CNodeJavaInfo> & getJavaInfo() const { return m_javaInfo;}

    /** returns the parameters from the element /java/vmParameters/param.
     */
    const boost::optional< ::std::vector< OUString> > & getVmParameters() const { return m_vmParameters;}

    /** returns the parameters from the element /java/jreLocations/location.
     */
    const boost::optional< ::std::vector< OUString> > & getJRELocations() const { return m_JRELocations;}
};

/** merges the settings for shared, user and installation during construction.
    The class uses a simple merge mechanism for the javasettings.xml files in share and
    user. The following elements completely overwrite the corresponding elements
    from share:
    /java/enabled
    /java/userClassPath
    /java/vmParameters
    /java/jreLocations
    /java/javaInfo

    In case of an installation, the shared and user settings are completely
    disregarded.

    The locations of the different settings files is obtained through the
    bootstrap variables:
    UNO_JAVA_JFW_USER_DATA
    UNO_JAVA_JFW_SHARED_DATA

    The class also determines useful default values for settings which have not been made.
*/
class MergedSettings final
{
private:
    const MergedSettings& operator = (MergedSettings&) = delete;
    MergedSettings(MergedSettings&) = delete;

    void merge(const NodeJava & share, const NodeJava & user);

    bool m_bEnabled;

    OUString m_sClassPath;

    ::std::vector< OUString> m_vmParams;

    ::std::vector< OUString> m_JRELocations;

    CNodeJavaInfo m_javaInfo;

public:
    MergedSettings();
    ~MergedSettings();

    /** the default is true.
     */
    bool getEnabled() const { return m_bEnabled;}

    const OUString & getUserClassPath() const { return m_sClassPath;}

    ::std::vector< OString> getVmParametersUtf8() const;
    /** returns a JavaInfo structure representing the node
        /java/javaInfo. Every time a new JavaInfo structure is created
        which needs to be freed by the caller.
        If both, user and share settings are nil, then NULL is returned.
    */
    std::unique_ptr<JavaInfo> createJavaInfo() const;

    /** returns the value of the attribute /java/javaInfo[@vendorUpdate].
     */
    OString const & getJavaInfoAttrVendorUpdate() const { return m_javaInfo.sAttrVendorUpdate;}

#ifdef _WIN32
    /** returns the javaInfo@autoSelect attribute.
        Before calling this function loadFromSettings must be called.
        It uses the javaInfo@autoSelect attribute  to determine
        the return value;
     */
    bool getJavaInfoAttrAutoSelect() const;
#endif

    void getVmParametersArray(std::vector<OUString> * parParameters) const;

    const ::std::vector< OUString> & getJRELocations() const { return m_JRELocations;}
};


struct VersionInfo
{
    ::std::vector< OUString> vecExcludeVersions;
    OUString sMinVersion;
    OUString sMaxVersion;
};

} //end namespace
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */