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xdata: add more helper methods to DataForm
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1 changed files with 65 additions and 0 deletions
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@ -20,6 +20,7 @@ package org.jivesoftware.smackx.xdata.packet;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.LinkedHashMap;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.List;
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import java.util.Locale;
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import java.util.Locale;
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@ -303,6 +304,20 @@ public class DataForm implements ExtensionElement {
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return Collections.unmodifiableList(extensionElements);
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return Collections.unmodifiableList(extensionElements);
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}
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}
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/**
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* Return the form type from the hidden form type field.
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*
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* @return the form type or <code>null</code> if this form has none set.
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* @since 4.4.0
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*/
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public String getFormType() {
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FormField formTypeField = getHiddenFormTypeField();
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if (formTypeField == null) {
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return null;
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}
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return formTypeField.getFirstValue();
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}
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/**
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/**
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* Returns the hidden FORM_TYPE field or null if this data form has none.
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* Returns the hidden FORM_TYPE field or null if this data form has none.
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*
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*
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@ -364,6 +379,56 @@ public class DataForm implements ExtensionElement {
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return stanzaView.getExtension(DataForm.class);
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return stanzaView.getExtension(DataForm.class);
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}
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}
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/**
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* Get the data form with the given form type from a stanza view.
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*
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* @param stanzaView the stanza view to retrieve the data form from
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* @param formType the form type
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* @return the retrieved data form or <code>null</code> if there is no matching one
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* @since 4.4.0
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*/
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public static DataForm from(StanzaView stanzaView, String formType) {
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List<DataForm> dataForms = stanzaView.getExtensions(DataForm.class);
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return from(dataForms, formType);
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}
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/**
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* Return the first matching data form with the given form type from the given collection of data forms.
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*
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* @param dataForms the collection of data forms
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* @param formType the form type to match for
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* @return the first matching data form or <code>null</code> if there is none
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* @since 4.4.0
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*/
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public static DataForm from(Collection<DataForm> dataForms, String formType) {
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for (DataForm dataForm : dataForms) {
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if (formType.equals(dataForm.getFormType())) {
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return dataForm;
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}
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}
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return null;
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}
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/**
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* Remove the first matching data form with the given form type from the given collection.
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*
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* @param dataForms the collection of data forms
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* @param formType the form type to match for
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* @return the removed data form or <code>null</code> if there was none removed
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* @since 4.4.0
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*/
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public static DataForm remove(Collection<DataForm> dataForms, String formType) {
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Iterator<DataForm> it = dataForms.iterator();
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while (it.hasNext()) {
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DataForm dataForm = it.next();
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if (formType.equals(dataForm.getFormType())) {
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it.remove();
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return dataForm;
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}
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}
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return null;
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}
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/**
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/**
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*
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*
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* Represents the fields that will be returned from a search. This information is useful when
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* Represents the fields that will be returned from a search. This information is useful when
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