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<TD ALIGN="right" VALIGN="top" ROWSPAN="3"><EM> PIM Optional Package 1.0<br>
Final Release</EM>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<H2>
<FONT SIZE="-1">javax.microedition.pim</FONT>
<BR>
Interface Contact</H2>
<DL>
<DT><B>All Superinterfaces:</B>
<DD>
<A HREF="../../../javax/microedition/pim/PIMItem.html">PIMItem</A></DD>
</DL>
<HR>
<DL>
<DT>public interface <B>Contact</B><DT>extends <A HREF="../../../javax/microedition/pim/PIMItem.html">
PIMItem</A></DT></DL>
<P>
<P>Represents a single Contact entry in a PIM Contact database. The supported field
list for a Contact is also a subset of the fields defined by the vCard
specification from the Internet Mail Consortium (http://www.imc.org). This set
of fields included in this Contact class represents those necessary to provide
the relevant information about a contact without compromising platform
portability.
</P>
<P>The Contact class has many different fields that it can support. However, each
individual Contact object supports only fields valid for its associated list.
Its ContactList restricts what fields in a Contact are retained. This reflects
that some native Contact databases do not support all of the fields available
in a Contact item. The methods <A HREF="../../../javax/microedition/pim/PIMList.html#isSupportedField(int)">
<CODE>PIMList.isSupportedField(int)</CODE></A> and <A HREF="../../../javax/microedition/pim/PIMList.html#getSupportedAttributes(int)">
<CODE>PIMList.getSupportedAttributes(int)</CODE></A> can be used to
determine if particular Contact fields and types are supported by a ContactList
and therefore persisted when the Contact is committed to its list. Attempts to
add or get data based on fields not supported in the Contact's ContactList
result in a <A HREF="../../../javax/microedition/pim/UnsupportedFieldException.html">
<CODE>UnsupportedFieldException</CODE></A>.
</P>
<H3>Data</H3>
The following table details the explicitly defined fields that may by in a
Contact. Implementations may extend the field set using extended fields as
defined in PIMItem.
<h4>Table: Standard Fields</h4>
<table border="1">
<TR>
<th>
Fields
</th>
<th>
Type of Data Associated with Field
</th>
</TR>
<tr>
<td><code>NAME, ADDR</code></td>
<td><code>PIMItem.STRING_ARRAY</code></td>
</tr>
<tr>
<td><code>EMAIL, FORMATTED_NAME, NICKNAME, NOTE, ORG, TEL, TITLE, UID, URL</code></td>
<td><code>PIMItem.STRING</code></td>
</tr>
<tr>
<td><code>BIRTHDAY, REVISION</code></td>
<td><code>PIMItem.DATE</code></td>
</tr>
<tr>
<td><code>PHOTO, PUBLIC_KEY</code></td>
<td><code>PIMItem.BINARY</code></td>
</tr>
<tr>
<td><code>PHOTO_URL, PUBLIC_KEY_STRING</code></td>
<td><code>PIMItem.STRING</code></td>
</tr>
<tr>
<td><code>CLASS</code></td>
<td><code>PIMItem.INT</code></td>
</tr>
</table>
<h3>Required Field Support</h3>
<P>All Contact fields may or may not be supported by a particular list. This is due
to the fact that underlying native databases may not support all of the fields
defined in this API. Support for any of the fields can be determined by the
method <A HREF="../../../javax/microedition/pim/PIMList.html#isSupportedField(int)">
<CODE>PIMList.isSupportedField(int)</CODE></A>.
</P>
<P>
Native Contact databases may require some of the fields to have values assigned
to them in order to be persisted. If an application does not provide values for
these fields, default values are provided for the Contact by the VM when the
Contact is persisted.
</P>
<h3>Examples</h3>
<h4>Explicit Field Use with Field Checking</h4>
This first example shows explicit field access in which each field is properly
checked for support prior to use. This results in code that is more portable
across PIM implementations regardless of which specific fields are supported on
particular PIM list implementations. If one of the fields is not supported by
the list, the field is not set in the Contact.
<pre> ContactList contacts = null;
try {
contacts = (ContactList) PIM.getInstance().openPIMList(PIM.CONTACT_LIST, PIM.READ_WRITE);
} catch (PIMException e) {
// An error occurred
return;
}
Contact contact = contacts.createContact();
String[] addr = new String[contacts.stringArraySize(Contact.ADDR)];
String[] name = new String[contacts.stringArraySize(Contact.NAME)];
if (contacts.isSupportedField(Contact.NAME_FORMATTED)
contact.addString(Contact.NAME_FORMATTED, PIMItem.ATTR_NONE, "Mr. John Q. Public, Esq.");
if (contacts.isSupportedArrayElement(Contact.NAME, Contact.NAME_FAMILY))
name[Contact.NAME_FAMILY] = "Public";
if (contacts.isSupportedArrayElement(Contact.NAME, Contact.NAME_GIVEN))
name[Contact.NAME_GIVEN] = "John";
contact.addStringArray(Contact.NAME, PIMItem.ATTR_NONE, name);
if (contacts.isSupportedArrayElement(Contact.ADDR, Contact.ADDR_COUNTRY))
addr[Contact.ADDR_COUNTRY] = "USA";
if (contacts.isSupportedArrayElement(Contact.ADDR, Contact.ADDR_LOCALITY))
addr[Contact.ADDR_LOCALITY] = "Coolsville";
if (contacts.isSupportedArrayElement(Contact.ADDR, Contact.ADDR_POSTALCODE))
addr[Contact.ADDR_POSTALCODE] = "91921-1234";
if (contacts.isSupportedArrayElement(Contact.ADDR, Contact.ADDR_STREET))
addr[Contact.ADDR_STREET] = "123 Main Street";
if (contacts.isSupportedField(Contact.ADDR))
contact.addStringArray(Contact.ADDR, Contact.ATTR_HOME, addr);
if (contacts.isSupportedField(Contact.TEL))
contact.addString(Contact.TEL, Contact.ATTR_HOME, "613-123-4567");
if (contacts.maxCategories() != 0
&& contacts.isCategory("Friends"))
contact.addToCategory("Friends");
if (contacts.isSupportedField(Contact.BIRTHDAY))
contact.addDate(Contact.BIRTHDAY, PIMItem.ATTR_NONE, new Date().getTime());
if (contacts.isSupportedField(Contact.EMAIL)) {
contact.addString(Contact.EMAIL, Contact.ATTR_HOME | Contact.ATTR_PREFERRED, "jqpublic@xyz.dom1.com");
}
try {
contact.commit();
} catch (PIMException e) {
// An error occured
}
try {
contacts.close();
} catch (PIMException e) {
}
</pre>
<h4>Explicit Field Use with Exception Handling</h4>
This second example also shows explicit field access that properly handles
optionally supported fields by use of a try catch block with <code>UnsupportedFieldException</code>.
In this case, the setting of the whole Contact is rejected if any of the fields
are not supported in the particular list implementation.
<PRE> ContactList contacts = null;
try {
contacts = (ContactList) PIM.getInstance().openPIMList(PIM.CONTACT_LIST, PIM.READ_WRITE);
} catch (PIMException e) {
// An error occurred
return;
}
Contact contact = contacts.createContact();
String[] name = new String[contacts.stringArraySize(Contact.NAME)];
name[Contact.NAME_GIVEN] = "John";
name[Contact.NAME_FAMILY] = "Public";
String[] addr = new String[contacts.stringArraySize(Contact.ADDR)];
addr[Contact.ADDR_COUNTRY] = "USA";
addr[Contact.ADDR_LOCALITY] = "Coolsville";
addr[Contact.ADDR_POSTALCODE] = "91921-1234";
addr[Contact.ADDR_STREET] = "123 Main Street";
try {
contact.addString(Contact.NAME_FORMATTED, PIMItem.ATTR_NONE, "Mr. John Q. Public, Esq.");
contact.addStringArray(Contact.NAME, PIMItem.ATTR_NONE, name);
contact.addStringArray(Contact.ADDR, Contact.ATTR_HOME, addr);
contact.addString(Contact.TEL, Contact.ATTR_HOME, "613-123-4567");
contact.addToCategory("Friends");
contact.addDate(Contact.BIRTHDAY, PIMItem.ATTR_NONE, new Date().getTime());
contact.addString(Contact.EMAIL, Contact.ATTR_HOME | Contact.ATTR_PREFERRED, "jqpublic@xyz.dom1.com");
} catch (UnsupportedFieldException e) {
// In this case, we choose not to save the contact at all if any of the
// fields are not supported on this platform.
System.out.println("Contact not saved");
return;
}
try {
contact.commit();
} catch (PIMException e) {
// An error occured
}
try {
contacts.close();
} catch (PIMException e) {
}
</PRE>
<P>
<P>
<DL>
<DT><B>Since:</B>
<DD>
PIM 1.0 <DT><B>See Also:</B><DD><A target="_top" href="http://www.imc.org/pdi">Internet
Mail Consortium PDI</A>, <A HREF="../../../javax/microedition/pim/ContactList.html">
<CODE>ContactList</CODE></A></DD></DL>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
<A NAME="field_summary"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#ccccff" CLASS="TableHeadingColor">
<TD COLSPAN="2"><FONT SIZE="+2"> <B>Field Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/microedition/pim/Contact.html#ADDR">ADDR</A></B></CODE>
<BR>
Field specifying an
address for this Contact.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static int</CODE></FONT></TD>
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