public void setWarnings(String warnings) {
        try {
            deprecationWarnings = CompilerOptions.DeprecationWarnings
                    .fromString(warnings);
        } catch (IllegalArgumentException e) {
            throw new BuildException("invalid value for warnings: " + warnings);
        }
    }
public void setWarnings ( String warnings ) { try { deprecationWarnings = CompilerOptions . DeprecationWarnings . fromString ( warnings ) ; } catch ( IllegalArgumentException e ) { throw new BuildException ( "invalid value for warnings: " + warnings ) ; } }
Determines whether deprecation warnings are emitted and if so, whether to
treat them as fatal errors.

@param warnings string value of CompilerOptions.DeprecationWarnings