< profile>
< id> jdk-1.7</ id>
< activation>
< activeByDefault> true</ activeByDefault>
< jdk> 1.7</ jdk>
</ activation>
< properties>
< maven.compiler.source> 1.7</ maven.compiler.source>
< maven.compiler.target> 1.7</ maven.compiler.target>
< maven.compiler.compilerVersion> 1.7</ maven.compiler.compilerVersion>
</ properties>
</ profile>