This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
You can never count on characters() getting an entire String from a text element. As explained in the JavaDocs, a parser may call characters multiple times as it works its way through one or more bufferloads read from an input stream. It is up to you the programmer to handle this.