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* Copyright (C) 2011 to 2012 Tim Marston <tim@ed.am>
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* This file is part of the Import Contacts program (hereafter referred
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* to as "this program"). For more information, see
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* to as "this program"). For more information, see
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* http://ed.am/dev/android/import-contacts
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* This program is free software: you can redistribute it and/or modify
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public static class CacheIdentifier
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public enum Type { NAME, ORGANISATION, PRIMARY_NUMBER, PRIMARY_EMAIL }
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NONE, NAME, ORGANISATION, PRIMARY_NUMBER, PRIMARY_EMAIL }
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private Type _type;
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private String _detail;
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protected CacheIdentifier()
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* Obtain a cache identifier. This routine is designed to be as robust
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* as possible (in terms of bad or null detail values), and to return
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* null when a cache identifier can not be created.
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* @param type the detail type
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* @param detail the detail
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* @return the cache identifier, or null
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* Obtain a cache identifier from contact data. This routine is
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* designed to be as robust as possible and may return null when a cache
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* identifier can not be created.
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* @param contact the contact data
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* @return the cache identifier, or null
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public static CacheIdentifier factory( Importer.ContactData contact )
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CacheIdentifier identifier = null;
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CacheIdentifier ret = null;
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if( contact.hasName() )
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identifier = factory( CacheIdentifier.Type.NAME,
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ret = factory( CacheIdentifier.Type.NAME,
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contact.getName() );
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if( identifier != null ) return identifier;
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if( contact.hasPrimaryOrganisation() )
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identifier = factory( CacheIdentifier.Type.ORGANISATION,
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if( ret == null && contact.hasPrimaryOrganisation() )
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ret = factory( CacheIdentifier.Type.ORGANISATION,
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contact.getPrimaryOrganisation() );
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if( identifier != null ) return identifier;
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if( contact.hasPrimaryNumber() )
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identifier = factory( CacheIdentifier.Type.PRIMARY_NUMBER,
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if( ret == null && contact.hasPrimaryNumber() )
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ret = factory( CacheIdentifier.Type.PRIMARY_NUMBER,
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contact.getPrimaryNumber() );
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if( identifier != null ) return identifier;
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if( contact.hasPrimaryEmail() )
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identifier = factory( CacheIdentifier.Type.PRIMARY_EMAIL,
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if( ret == null && contact.hasPrimaryEmail() )
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ret = factory( CacheIdentifier.Type.PRIMARY_EMAIL,
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contact.getPrimaryEmail() );
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if( identifier != null ) return identifier;
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protected CacheIdentifier( Type type, String detail )
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* Retrieve the contact id of a contact identified by the specified cache
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* identifier, if it exists.
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* @param identifier the cache identifier
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* @return a contact id, or null