Alawn/Java-8583-Util
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Implement #15 templates that extend other templates

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This commit is contained in:
Enrique Zamudio
2013-11-25 19:29:45 -06:00
parent 8dd44c4ae3
commit 8d1e8f389c
1 changed files with 57 additions and 7 deletions
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src/main/java/com/solab/iso8583/parse/ConfigParser.java
+57 -7
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@@ -21,6 +21,7 @@ package com.solab.iso8583.parse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import javax.xml.parsers.DocumentBuilder;
@@ -108,7 +109,7 @@ public class ConfigParser {
protected static <T extends IsoMessage> void parseHeaders(
final NodeList nodes, final MessageFactory<T> mfact) throws IOException {
boolean pass2 = false;
ArrayList<Element> refs = null;
for (int i = 0; i < nodes.getLength(); i++) {
Element elem = (Element)nodes.item(i);
int type = parseType(elem.getAttribute("type"));
@@ -117,7 +118,10 @@ public class ConfigParser {
}
if (elem.getChildNodes() == null || elem.getChildNodes().getLength() == 0) {
if (elem.getAttribute("ref") != null && !elem.getAttribute("ref").isEmpty()) {
pass2 = true;
if (refs == null) {
refs = new ArrayList<Element>(nodes.getLength()-i);
}
refs.add(elem);
}
else throw new IOException("Invalid ISO8583 header element");
} else {
@@ -128,9 +132,8 @@ public class ConfigParser {
mfact.setIsoHeader(type, header);
}
}
if (pass2) {
for (int i = 0; i < nodes.getLength(); i++) {
Element elem = (Element)nodes.item(i);
if (refs != null) {
for (Element elem : refs) {
int type = parseType(elem.getAttribute("type"));
if (type == -1) {
throw new IOException("Invalid type for ISO8583 header: "
@@ -158,17 +161,25 @@ public class ConfigParser {
protected static <T extends IsoMessage> void parseTemplates(
final NodeList nodes, final MessageFactory<T> mfact) throws IOException {
ArrayList<Element> subs = null;
for (int i = 0; i < nodes.getLength(); i++) {
Element elem = (Element)nodes.item(i);
int type = parseType(elem.getAttribute("type"));
if (type == -1) {
throw new IOException("Invalid ISO8583 type for template: " + elem.getAttribute("type"));
}
NodeList fields = elem.getElementsByTagName("field");
if (elem.getAttribute("extends") != null && !elem.getAttribute("extends").isEmpty()) {
if (subs == null) {
subs = new ArrayList<Element>(nodes.getLength()-i);
}
subs.add(elem);
continue;
}
@SuppressWarnings("unchecked")
T m = (T)new IsoMessage();
m.setType(type);
m.setCharacterEncoding(mfact.getCharacterEncoding());
NodeList fields = elem.getElementsByTagName("field");
for (int j = 0; j < fields.getLength(); j++) {
Element f = (Element)fields.item(j);
int num = Integer.parseInt(f.getAttribute("num"));
@@ -183,7 +194,46 @@ public class ConfigParser {
}
mfact.addMessageTemplate(m);
}
if (subs != null) {
for (Element elem : subs) {
int type = parseType(elem.getAttribute("type"));
int ref = parseType(elem.getAttribute("extends"));
if (ref == -1) {
throw new IllegalArgumentException("Message template "
+ elem.getAttribute("type") + " extends invalid template "
+ elem.getAttribute("extends"));
}
T tref = mfact.getMessageTemplate(ref);
@SuppressWarnings("unchecked")
T m = (T)new IsoMessage();
m.setType(type);
m.setCharacterEncoding(mfact.getCharacterEncoding());
for (int i = 2; i < 128; i++) {
if (tref.hasField(i)) {
m.setField(i, tref.getField(i).clone());
}
}
NodeList fields = elem.getElementsByTagName("field");
for (int j = 0; j < fields.getLength(); j++) {
Element f = (Element)fields.item(j);
int num = Integer.parseInt(f.getAttribute("num"));
final String typedef = f.getAttribute("type");
if ("exclude".equals(typedef)) {
m.setField(num, null);
} else {
IsoType itype = IsoType.valueOf(typedef);
int length = 0;
if (f.getAttribute("length").length() > 0) {
length = Integer.parseInt(f.getAttribute("length"));
}
String v = f.getChildNodes().item(0).getNodeValue();
CustomField<Object> _cf = mfact.getCustomField(num);
m.setValue(num, _cf == null ? v : _cf.decodeField(v), _cf, itype, length);
}
}
mfact.addMessageTemplate(m);
}
}
}
protected static <T extends IsoMessage> void parseGuides(