Examples with AbstractListMediator org.apache.synapse.mediators.AbstractListMediator used on opensource projects

Example 1 with AbstractListMediator

use of org.apache.synapse.mediators.AbstractListMediator in project wso2-synapse by wso2.

the class MediatorTreeTraverseUtil method getMediatorReference.

/**
 * Returns mediator referece associated with position while traversing the mediator tree.
 *
 * @param synCfg      synapse configuration reference
 * @param seqMediator sequence mediator which traverse happens
 * @param position    array of tree nodes specifying position integer with respect to it's parent node
 *                    starting from the root parent.
 * @return Mediator reference
 */
public static Mediator getMediatorReference(SynapseConfiguration synCfg, Mediator seqMediator, int[] position) {
    Mediator current_mediator = null;
    for (int counter = 0; counter < position.length; counter++) {
        if (counter == 0) {
            int mediatorCount = ((AbstractListMediator) seqMediator).getList().size();
            int correctedPosition = getCorrectedPossition((AbstractListMediator) seqMediator, position[counter]);
            if (mediatorCount > correctedPosition) {
                current_mediator = ((AbstractListMediator) seqMediator).getChild(correctedPosition);
            } else {
                log.warn("Mediator position requested is larger than last index : " + position[counter]);
            }
        }
        if (current_mediator != null && counter != 0) {
            if (current_mediator instanceof InvokeMediator) {
                current_mediator = synCfg.getSequenceTemplate(((InvokeMediator) current_mediator).getTargetTemplate());
            } else if (current_mediator instanceof FilterMediator) {
                if (position[counter] == 0) {
                    if (((FilterMediator) current_mediator).getElseMediator() != null) {
                        current_mediator = ((FilterMediator) current_mediator).getElseMediator();
                    } else if (((FilterMediator) current_mediator).getElseKey() != null) {
                        current_mediator = synCfg.getSequence(((FilterMediator) current_mediator).getElseKey());
                    }
                    continue;
                } else if (position[counter] == 1) {
                    if (((FilterMediator) current_mediator).getThenKey() != null) {
                        current_mediator = synCfg.getSequence(((FilterMediator) current_mediator).getThenKey());
                    } else {
                        counter = counter + 1;
                        if (counter < position.length) {
                            int mediatorCount = ((AbstractListMediator) current_mediator).getList().size();
                            int correctedPosition = getCorrectedPossition((AbstractListMediator) current_mediator, position[counter]);
                            if (mediatorCount > correctedPosition) {
                                current_mediator = ((AbstractListMediator) current_mediator).getChild(correctedPosition);
                            } else {
                                log.warn("Mediator position requested is larger than last index : " + position[counter]);
                            }
                        }
                    }
                    continue;
                }
            } else if (current_mediator instanceof SwitchMediator) {
                if (position[counter] == 0) {
                    SwitchCase switchCase = ((SwitchMediator) current_mediator).getDefaultCase();
                    if (switchCase != null) {
                        current_mediator = switchCase.getCaseMediator();
                    } else {
                        current_mediator = null;
                    }
                } else {
                    SwitchCase switchCase = ((SwitchMediator) current_mediator).getCases().get(position[counter] - 1);
                    if (switchCase != null) {
                        current_mediator = switchCase.getCaseMediator();
                    } else {
                        current_mediator = null;
                    }
                }
                continue;
            } else if (current_mediator instanceof AggregateMediator) {
                if (((AggregateMediator) current_mediator).getOnCompleteSequence() != null) {
                    current_mediator = ((AggregateMediator) current_mediator).getOnCompleteSequence();
                } else if (((AggregateMediator) current_mediator).getOnCompleteSequenceRef() != null) {
                    current_mediator = synCfg.getSequence(((AggregateMediator) current_mediator).getOnCompleteSequenceRef());
                }
            } else if (current_mediator instanceof ForEachMediator) {
                if (((ForEachMediator) current_mediator).getSequence() != null) {
                    current_mediator = ((ForEachMediator) current_mediator).getSequence();
                } else if (((ForEachMediator) current_mediator).getSequenceRef() != null) {
                    current_mediator = synCfg.getSequence(((ForEachMediator) current_mediator).getSequenceRef());
                }
            } else if (current_mediator instanceof IterateMediator) {
                if (((IterateMediator) current_mediator).getTarget().getSequence() != null) {
                    current_mediator = ((IterateMediator) current_mediator).getTarget().getSequence();
                } else if (((IterateMediator) current_mediator).getTarget().getSequenceRef() != null) {
                    current_mediator = synCfg.getSequence(((IterateMediator) current_mediator).getTarget().getSequenceRef());
                }
            } else if (current_mediator instanceof CloneMediator) {
                if (((CloneMediator) current_mediator).getTargets().get(position[counter]).getSequence() != null) {
                    current_mediator = ((CloneMediator) current_mediator).getTargets().get(position[counter]).getSequence();
                } else if (((CloneMediator) current_mediator).getTargets().get(position[counter]).getSequenceRef() != null) {
                    current_mediator = synCfg.getSequence(((CloneMediator) current_mediator).getTargets().get(position[counter]).getSequenceRef());
                }
                continue;
            } else if (current_mediator.getType().equals("ThrottleMediator")) {
                current_mediator = ((EnclosedInlinedSequence) current_mediator).getInlineSequence(synCfg, position[counter]);
                continue;
            } else if (current_mediator.getType().equals("EntitlementMediator")) {
                current_mediator = ((EnclosedInlinedSequence) current_mediator).getInlineSequence(synCfg, position[counter]);
                continue;
            } else if (current_mediator.getType().equals("CacheMediator")) {
                current_mediator = ((EnclosedInlinedSequence) current_mediator).getInlineSequence(synCfg, 0);
            }
            if (current_mediator != null && (current_mediator instanceof AbstractListMediator)) {
                int mediatorCount = ((AbstractListMediator) current_mediator).getList().size();
                int correctedPosition = getCorrectedPossition((AbstractListMediator) current_mediator, position[counter]);
                if (mediatorCount > correctedPosition) {
                    current_mediator = ((AbstractListMediator) current_mediator).getChild(correctedPosition);
                } else {
                    log.warn("Mediator position requested is larger than last index : " + position[counter]);
                }
            } else {
                current_mediator = null;
                break;
            }
        }
    }
    return current_mediator;
}

Example 2 with AbstractListMediator

use of org.apache.synapse.mediators.AbstractListMediator in project wso2-synapse by wso2.

the class MediatorTreeTraverseUtil method getCorrectedPossition.

/**
 * Developer Studio will send mediator positions without considering "Comment Mediators".
 * Due to that reason, if there are comments in the source view, mediator positions become incorrect.
 * This method will return the corrected mediator position considering "Comment Mediators" as well.
 *
 * @param seqMediator
 * @param position
 * @return correctedPossition considering comment mediators
 */
private static int getCorrectedPossition(AbstractListMediator seqMediator, int position) {
    int positionWithComments = 0;
    int positionWithoutComments = 0;
    for (Mediator mediator : seqMediator.getList()) {
        if (!(mediator instanceof CommentMediator)) {
            if (positionWithoutComments == position) {
                return positionWithComments;
            }
            ++positionWithoutComments;
        }
        ++positionWithComments;
    }
    return position;
}