public String toGetSourceString()

in src/main/java/org/apache/commons/ognl/ASTChain.java [267:380]
84 lines of code
27 McCabe index (conditional complexity)

    public String toGetSourceString( OgnlContext context, Object target )
    {
        String prevChain = (String) context.get( "_currentChain" );

        if ( target != null )
        {
            context.setCurrentObject( target );
            context.setCurrentType( target.getClass() );
        }

        String result = "";
        NodeType lastType = null;
        boolean ordered = false;
        boolean constructor = false;
        try
        {
            if ( ( children != null ) && ( children.length > 0 ) )
            {
                for ( Node child : children )
                {
                    /*
                     * System.out.println("astchain child: " + _children[i].getClass().getName() +
                     * " with current object target " + context.getCurrentObject() + " current type: " +
                     * context.getCurrentType());
                     */

                    String value = child.toGetSourceString( context, context.getCurrentObject() );

                    // System.out.println("astchain child returned >>  " + value + "  <<");

                    if (child instanceof ASTCtor)
                    {
                        constructor = true;
                    }

                    if ( child instanceof NodeType && ( (NodeType) child ).getGetterClass() != null )
                    {
                        lastType = (NodeType) child;
                    }

                    // System.out.println("Astchain i: " + i + " currentobj : " + context.getCurrentObject() +
                    // " and root: " + context.getRoot());
                    if ( !(child instanceof ASTVarRef) && !constructor && !(
                        child instanceof OrderedReturn
                            && ( (OrderedReturn) child ).getLastExpression() != null ) && ( parent == null
                        || !(parent instanceof ASTSequence)) )
                    {
                        value = OgnlRuntime.getCompiler( context ).castExpression( context, child, value );
                    }

                    /*
                     * System.out.println("astchain value now : " + value + " with index " + i + " current type " +
                     * context.getCurrentType() + " current accessor " + context.getCurrentAccessor() + " prev type " +
                     * context.getPreviousType() + " prev accessor " + context.getPreviousAccessor());
                     */

                    if ( child instanceof OrderedReturn
                        && ( (OrderedReturn) child ).getLastExpression() != null )
                    {
                        ordered = true;
                        OrderedReturn or = (OrderedReturn) child;

                        if ( or.getCoreExpression() == null || or.getCoreExpression().trim().isEmpty() )
                        {
                            result = "";
                        }
                        else
                        {
                            result += or.getCoreExpression();
                        }

                        lastExpression = or.getLastExpression();

                        if ( context.get( ExpressionCompiler.PRE_CAST ) != null )
                        {
                            lastExpression = context.remove( ExpressionCompiler.PRE_CAST ) + lastExpression;
                        }
                    }
                    else if ( child instanceof ASTOr || child instanceof ASTAnd
                        || child instanceof ASTCtor || ( child instanceof ASTStaticField
                        && parent == null ) )
                    {
                        context.put( "_noRoot", "true" );
                        result = value;
                    }
                    else
                    {
                        result += value;
                    }

                    context.put( "_currentChain", result );
                }
            }
        }
        catch ( Throwable t )
        {
            throw OgnlOps.castToRuntime( t );
        }

        if ( lastType != null )
        {
            getterClass = lastType.getGetterClass();
            setterClass = lastType.getSetterClass();
        }

        if ( ordered )
        {
            coreExpression = result;
        }

        context.put( "_currentChain", prevChain );

        return result;
    }