/* (non-Javadoc)
* @see org.jibx.binding.model.ElementBase#prevalidate(org.jibx.binding.model.ValidationContext)
*/
public void prevalidate(ValidationContext vctx) {
// first process attributes and check for errors
super.prevalidate(vctx);
if (!vctx.isSkipped(this)) {
// check for ignored attributes
if (isAllowRepeats()) {
vctx.addWarning("'allow-repeats' attribute ignored on collection");
}
if (isChoice()) {
vctx.addWarning("'choice' attribute ignored on collection");
}
// get the actual collection type and item type
IClass clas = getType();
if (clas == null) {
clas = vctx.getContextObject().getObjectType();
}
String tname = m_itemTypeName;
if (tname == null) {
String ctype = clas.getName();
if (ctype.endsWith("[]")) {
tname = ctype.substring(0, ctype.length() - 2);
} else {
tname = "java.lang.Object";
}
}
m_itemTypeClass = vctx.getClassInfo(tname);
if (m_itemTypeClass == null) {
vctx.addFatal("Can't find class " + tname);
}
// handle input and output bindings separately
if (vctx.isInBinding()) {
// check store techniques
String sname = m_storeMethodName;
String aname = m_addMethodName;
if (sname != null && aname != null) {
vctx.addWarning("Both store-method and add-method " + "supplied; using add-method");
sname = null;
}
// set defaults based on collection type if needed
if (sname == null && aname == null) {
if (clas.isSuperclass("java.util.ArrayList")
|| clas.isSuperclass("java.util.Vector")
|| clas.isImplements("Ljava/util/Collection;")) {
aname = "add";
} else if (!clas.getName().endsWith("[]")) {
vctx.addError("Need store-method or add-method for " + "input binding");
}
}
// find the actual method information
if (sname != null) {
m_storeMethodItem = clas.getBestMethod(sname, null, new String[] {"int", tname});
if (m_storeMethodItem == null) {
vctx.addError("store-method " + sname + " not found in class " + clas.getName());
}
}
if (aname != null) {
m_addMethodItem = clas.getBestMethod(aname, null, new String[] {tname});
if (m_addMethodItem == null) {
vctx.addError("add-method " + aname + " not found in class " + clas.getName());
}
}
}
if (vctx.isOutBinding()) {
// precheck load techniques
String lname = m_loadMethodName;
String sname = m_sizeMethodName;
String iname = m_iterMethodName;
if (lname == null) {
if (sname != null) {
vctx.addWarning("size-method requires load-method; " + "ignoring supplied size-method");
sname = null;
}
} else {
if (sname == null) {
vctx.addWarning("load-method requires " + "size-method; ignoring supplied load-method");
lname = null;
} else {
if (iname != null) {
vctx.addWarning("Both load-method and " + "iter-method supplied; using load-method");
iname = null;
}
}
}
// set defaults based on collection type if needed
if (lname == null && iname == null) {
if (clas.isSuperclass("java.util.ArrayList") || clas.isSuperclass("java.util.Vector")) {
lname = "get";
sname = "size";
} else if (clas.isImplements("Ljava/util/Collection;")) {
iname = "iterator";
}
}
// postcheck load techniques with defaults set
if (lname == null) {
if (iname == null && !clas.getName().endsWith("[]")) {
vctx.addError(
"Need load-method and size-method, or " + "iter-method, for output binding");
}
} else {
if (sname == null && iname == null) {
vctx.addError(
"Need load-method and size-method," + " or iter-method, for output binding");
}
}
// find the actual method information
if (lname != null) {
m_loadMethodItem = clas.getBestMethod(lname, tname, new String[] {"int"});
if (m_loadMethodItem == null) {
vctx.addError("load-method " + lname + " not found in class " + clas.getName());
}
}
if (iname != null) {
m_iterMethodItem = clas.getBestMethod(iname, "java.util.Iterator", new String[0]);
if (m_iterMethodItem == null) {
vctx.addError("iter-method " + iname + " not found in class " + clas.getName());
}
}
}
}
}
