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Merge pull request #459 from Flowdalic/reported-data

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[DataFormProvider] Retrieve field types from <reported/> if possible
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Florian Schmaus 2021-02-01 16:04:48 +01:00 committed by GitHub
commit ce4f85acf8
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4 changed files with 173 additions and 11 deletions
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3
smack-extensions/src/main/java/org/jivesoftware/smackx/filetransfer/FileTransferNegotiator.java
View file

@ -360,8 +360,7 @@ public final class FileTransferNegotiator extends Manager {
}
private static DataForm createDefaultInitiationForm() {
DataForm.Builder form = DataForm.builder()
.setType(DataForm.Type.form);
DataForm.Builder form = DataForm.builder(DataForm.Type.form);
ListSingleFormField.Builder fieldBuilder = FormField.listSingleBuilder(STREAM_DATA_FIELD_NAME);
if (!IBB_ONLY) {

26
smack-extensions/src/main/java/org/jivesoftware/smackx/xdata/packet/DataForm.java
View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2003-2007 Jive Software, 2020 Florian Schmaus.
* Copyright 2003-2007 Jive Software, 2020-2021 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -353,6 +353,7 @@ public final class DataForm implements ExtensionElement {
}
public static final class Builder {
// TODO: Make this field final once setType() is gone.
private Type type;
private String title;
private List<String> instructions;
@ -381,6 +382,15 @@ public final class DataForm implements ExtensionElement {
extensionElements = CollectionUtil.newListWith(dataForm.getExtensionElements());
}
/**
* Deprecated do not use.
*
* @param type the type.
* @return a reference to this builder.
* @deprecated use {@link DataForm#builder(Type)} instead.
*/
@Deprecated
// TODO: Remove in Smack 4.5 and then make this.type final.
public Builder setType(Type type) {
this.type = Objects.requireNonNull(type);
return this;
@ -538,6 +548,8 @@ public final class DataForm implements ExtensionElement {
private final List<? extends FormField> fields;
private Map<String, FormField> fieldMap;
public ReportedData(List<? extends FormField> fields) {
this.fields = Collections.unmodifiableList(fields);
}
@ -561,6 +573,18 @@ public final class DataForm implements ExtensionElement {
return fields;
}
public FormField getField(String name) {
if (fieldMap == null) {
fieldMap = new HashMap<>(fields.size());
for (FormField field : fields) {
String fieldName = field.getFieldName();
fieldMap.put(fieldName, field);
}
}
return fieldMap.get(name);
}
@Override
public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
XmlStringBuilder xml = new XmlStringBuilder(this, xmlEnvironment);

38
smack-extensions/src/main/java/org/jivesoftware/smackx/xdata/provider/DataFormProvider.java
View file

@ -1,6 +1,6 @@
/**
*
* Copyright 2003-2007 Jive Software 2020 Florian Schmaus.
* Copyright 2003-2007 Jive Software 2020-2021 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -66,10 +66,10 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
@Override
public DataForm parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException, SmackParsingException {
DataForm.Type dataFormType = DataForm.Type.fromString(parser.getAttributeValue("", "type"));
DataForm.Builder dataForm = DataForm.builder();
dataForm.setType(dataFormType);
DataForm.Builder dataForm = DataForm.builder(dataFormType);
String formType = null;
DataForm.ReportedData reportedData = null;
outerloop: while (true) {
XmlPullParser.Event eventType = parser.next();
@ -86,6 +86,8 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
dataForm.setTitle(parser.nextText());
break;
case "field":
// Note that we parse this form field without any potential reportedData. We only use reportedData
// to lookup form field types of fields under <item/>.
FormField formField = parseField(parser, elementXmlEnvironment, formType);
TextSingleFormField hiddenFormTypeField = formField.asHiddenFormTypeFieldIfPossible();
@ -99,12 +101,15 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
dataForm.addField(formField);
break;
case "item":
DataForm.Item item = parseItem(parser, elementXmlEnvironment, formType);
DataForm.Item item = parseItem(parser, elementXmlEnvironment, formType, reportedData);
dataForm.addItem(item);
break;
case "reported":
DataForm.ReportedData reported = parseReported(parser, elementXmlEnvironment, formType);
dataForm.setReportedData(reported);
if (reportedData != null) {
throw new SmackParsingException("Data form with multiple <reported/> elements");
}
reportedData = parseReported(parser, elementXmlEnvironment, formType);
dataForm.setReportedData(reportedData);
break;
// See XEP-133 Example 32 for a corner case where the data form contains this extension.
case RosterPacket.ELEMENT:
@ -135,6 +140,11 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
private static FormField parseField(XmlPullParser parser, XmlEnvironment xmlEnvironment, String formType)
throws XmlPullParserException, IOException, SmackParsingException {
return parseField(parser, xmlEnvironment, formType, null);
}
private static FormField parseField(XmlPullParser parser, XmlEnvironment xmlEnvironment, String formType, DataForm.ReportedData reportedData)
throws XmlPullParserException, IOException, SmackParsingException {
final int initialDepth = parser.getDepth();
final String fieldName = parser.getAttributeValue("var");
@ -186,6 +196,16 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
}
}
// Data forms of type 'result' may contain <reported/> and <item/> elements. If this is the case, then the type
// of the <field/>s within the <item/> elements is determined by the information found in <reported/>. See
// XEP-0004 § 3.4 and SMACK-902
if (type == null && reportedData != null) {
FormField reportedFormField = reportedData.getField(fieldName);
if (reportedFormField != null) {
type = reportedFormField.getType();
}
}
if (type == null) {
// If no field type was explicitly provided, then we need to lookup the
// field's type in the registry.
@ -301,7 +321,8 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
return builder;
}
private static DataForm.Item parseItem(XmlPullParser parser, XmlEnvironment xmlEnvironment, String formType)
private static DataForm.Item parseItem(XmlPullParser parser, XmlEnvironment xmlEnvironment, String formType,
DataForm.ReportedData reportedData)
throws XmlPullParserException, IOException, SmackParsingException {
final int initialDepth = parser.getDepth();
List<FormField> fields = new ArrayList<>();
@ -312,7 +333,8 @@ public class DataFormProvider extends ExtensionElementProvider<DataForm> {
String name = parser.getName();
switch (name) {
case "field":
FormField field = parseField(parser, XmlEnvironment.from(parser, xmlEnvironment), formType);
FormField field = parseField(parser, XmlEnvironment.from(parser, xmlEnvironment), formType,
reportedData);
fields.add(field);
break;
}

117
smack-extensions/src/test/java/org/jivesoftware/smackx/xdata/provider/DataFormProviderTest.java Normal file
View file

@ -0,0 +1,117 @@
/**
*
* Copyright 2021 Florian Schmaus
*
* Licensed 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.xdata.provider;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.io.IOException;
import java.util.List;
import org.jivesoftware.smack.parsing.SmackParsingException;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
import org.jivesoftware.smackx.xdata.FormField;
import org.jivesoftware.smackx.xdata.packet.DataForm;
import org.junit.jupiter.api.Test;
public class DataFormProviderTest {
@Test
public void testRetrieveFieldTypeFromReported() throws XmlPullParserException, IOException, SmackParsingException {
String firstForm =
"<x xmlns='jabber:x:data' type='form'>" +
" <title>Advanced User Search</title>" +
" <instructions>The following fields are available for searching. Wildcard (*) characters are allowed as part of the query.</instructions>" +
" <field var='FORM_TYPE' type='hidden'>" +
" <value>jabber:iq:search</value>" +
" </field>" +
" <field label='Search' var='search'>" +
" <required/>" +
" </field>" +
" <field label='Username' var='Username' type='boolean'>" +
" <value>true</value>" +
" </field>" +
" <field label='Name' var='Name' type='boolean'>" +
" <value>true</value>" +
" </field>" +
" <field label='Email' var='Email' type='boolean'>" +
" <value>true</value>" +
" </field>" +
"</x>";
XmlPullParser parser = PacketParserUtils.getParserFor(firstForm);
DataForm firstDataForm = DataFormProvider.INSTANCE.parse(parser);
FormField usernameFormField = firstDataForm.getField("Username");
assertEquals(FormField.Type.bool, usernameFormField.getType());
String secondForm =
"<x xmlns='jabber:x:data' type='result'>" +
" <field var='FORM_TYPE' type='hidden'/>" +
" <reported>" +
" <field var='jid' type='jid-single' label='JID'/>" +
" <field var='Username' type='text-single' label='Username'/>" +
" <field var='Name' type='text-single' label='Name'/>" +
" <field var='Email' type='text-single' label='Email'/>" +
" </reported>" +
" <item>" +
" <field var='Email'>" +
" <value>" +
" 0" +
" </value>" +
" </field>" +
" <field var='jid'>" +
" <value>frank@orphu</value>" +
" </field>" +
" <field var='Username'>" +
" <value>" +
" frank" +
" </value>" +
" </field>" +
" <field var='Name'>" +
" <value>" +
" 0" +
" </value>" +
" </field>" +
" </item>" +
" <item>" +
" <field var='Email'>" +
" <value>" +
" </value>" +
" </field>" +
" <field var='jid'>" +
" <value>frank2@orphu</value>" +
" </field>" +
" <field var='Username'>" +
" <value>" +
" frank2" +
" </value>" +
" </field>" +
" <field var='Name'>" +
" <value>" +
" </value>" +
" </field>" +
" </item>" +
"</x>";
parser = PacketParserUtils.getParserFor(secondForm);
DataForm secondDataForm = DataFormProvider.INSTANCE.parse(parser);
List<DataForm.Item> items = secondDataForm.getItems();
assertEquals(2, items.size());
}
}