/**
* Creates an empty instance of {@link Loop} and adds the loop as a child to the current Loop. The
* returned instance can be used to add segments to the child loop.
*
* @param name name of the loop
* @return a new child Loop object
*/
public Loop addChild(String name) {
Loop l = new Loop(this.context, name);
l.setParent(this);
l.depth = this.depth + 1; // debug
loops.add(l);
return l;
}
/**
* Creates a new {@link Loop} and replaces the child loop at the specified position. The returned
* instance can be used to add segments to the child loop.
*
* @param name name of the loop
* @param index position at which to add the loop.
* @return a new child Loop object
*/
public Loop setChild(int index, String name) {
Loop l = new Loop(this.context, name);
l.setParent(this);
l.depth = this.depth + 1; // debug
loops.set(index, l);
return l;
}
/**
* Returns number of segments in Loop and child loops
*
* @return size
*/
public int size() {
int size;
size = this.segments.size();
for (Loop l : this.childList()) {
size += l.size();
}
return size;
}
/**
* Returns the Loop in X12 {@link java.lang.String} format. This method is used to convert the X12
* object into a X12 transaction.
*
* @param bRemoveTrailingEmptyElements a flag for whether or not empty trailing elements should be
* removed.
* @return String representation of the loop.
*/
public String toString(boolean bRemoveTrailingEmptyElements) {
StringBuilder dump = new StringBuilder();
for (Segment s : this.segments) {
dump.append(s.toString(bRemoveTrailingEmptyElements));
dump.append(context.getSegmentSeparator());
}
for (Loop l : this.childList()) {
dump.append(l.toString(bRemoveTrailingEmptyElements));
}
return dump.toString();
}
/**
* Checks if the Loop contains the specified child Loop. It will check the complete child
* hierarchy.
*
* @param name name of a child loop
* @return boolean
*/
public boolean hasLoop(String name) {
for (Loop l : this.childList()) {
if (name.equals(l.getName())) {
return true;
}
if (l.hasLoop(name)) {
return true;
}
}
return false;
}
/**
* Returns the Loop in XML {@link java.lang.String} format. This method is used to convert the X12
* object into a XML string.
*
* @param bRemoveTrailingEmptyElements a flag for whether or not empty trailing elements should be
* removed.
* @return String the loop in XML string format.
*/
public String toXML(boolean bRemoveTrailingEmptyElements) {
StringBuilder dump = new StringBuilder();
dump.append("<LOOP NAME=\"").append(this.name).append("\">");
for (Segment s : this.segments) {
dump.append(s.toXML(bRemoveTrailingEmptyElements));
}
for (Loop l : this.childList()) {
dump.append(l.toXML(bRemoveTrailingEmptyElements));
}
dump.append("</LOOP>");
return dump.toString();
}
/**
* Get the loop in the X12 transaction It will check the complete child hierarchy.
*
* @param name name of a loop
* @return {@link java.util.List}<{@link Loop}>
*/
public List<Loop> findLoop(String name) {
List<Loop> foundLoops = new ArrayList<Loop>();
for (Loop l : this.childList()) {
if (name.equals(l.getName())) {
foundLoops.add(l);
}
List<Loop> moreLoops = l.findLoop(name);
if (moreLoops.size() > 0) {
foundLoops.addAll(moreLoops);
}
}
return foundLoops;
}
/**
* Get the segment in the X12 transaction It will check the current loop and the complete child
* hierarchy.
*
* @param name name of a segment
* @return {@link java.util.List}<{@link Segment}>
*/
public List<Segment> findSegment(String name) {
List<Segment> foundSegments = new ArrayList<Segment>();
for (Segment s : this.segments) {
if (name.equals(s.getElement(0))) {
foundSegments.add(s);
}
}
for (Loop l : this.childList()) {
List<Segment> moreSegments = l.findSegment(name);
if (moreSegments.size() > 0) {
foundSegments.addAll(moreSegments);
}
}
return foundSegments;
}
/**
* Inserts {@link Loop} as a child loop at the specified position.
*
* @param index position at which to add the loop.
* @param loop a {@link Loop} object.
*/
public void addChild(int index, Loop loop) {
loop.setParent(this);
loop.depth = this.depth + 1; // debug
loops.add(index, loop);
}
