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/*
* copyright(c) 2005 kuwata-lab all rights reserved.
*/
package kwalify;
import org.onap.sdc.common.onaplog.OnapLoggerError;
import org.onap.sdc.common.onaplog.Enums.LogLevel;
import java.util.Map;
import java.util.List;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.util.regex.PatternSyntaxException;
/**
* meta validator to validate schema definition
*/
public class MetaValidator extends Validator {
private static final String RANGE = "range";
private static final String MAX_EX = "max-ex";
private static final String MIN_EX = "min-ex";
private static final String LENGTH = "length";
private static final String SEQUENCE = "sequence";
private static final String ENUM_CONFLICT = "enum.conflict";
private static final String SCALAR_CONFLICT = "scalar.conflict";
private static final String IDENT = "ident";
private static final String IDENT1 = "ident:";
private static final String MAPPING = "mapping";
private static final String PATTERN = "pattern:";
private static final String PATTERN1 = "pattern";
private static final String TYPE_MAP = " type: map\n";
private static final String TYPE_STR = " type: str\n";
private static final String TYPE_BOOL = " type: bool\n";
private static final String MAPPING1 = " mapping:\n";
private static final String TYPE_SCALAR = " type: scalar\n";
private static final String TYPE_INT = " type: int\n";
private static OnapLoggerError errLogger = OnapLoggerError.getInstance();
private static final String META_SCHEMA = new StringBuilder().
append("").
append("name: MAIN\n").
append("type: map\n").
append("required: yes\n").
append("mapping: &main-rule\n").
append(" \"name\":\n").
append(TYPE_STR).
append(" \"desc\":\n").
append(TYPE_STR).
append(" \"type\":\n").
append(TYPE_STR).
append(" #required: yes\n").
append(" enum:\n").
append(" - seq\n").
append(" #- sequence\n").
append(" #- list\n").
append(" - map\n").
append(" #- mapping\n").
append(" #- hash\n").
append(" - str\n").
append(" #- string\n").
append(" - int\n").
append(" #- integer\n").
append(" - float\n").
append(" - number\n").
append(" #- numeric\n").
append(" - bool\n").
append(" #- boolean\n").
append(" - text\n").
append(" - date\n").
append(" - time\n").
append(" - timestamp\n").
append(" #- object\n").
append(" - any\n").
append(" - scalar\n").
append(" #- collection\n").
append(" \"required\":\n").
append(TYPE_BOOL).
append(" \"enum\":\n").
append(" type: seq\n").
append(" sequence:\n").
append(" - type: scalar\n").
append(" unique: yes\n").
append(" \"pattern\":\n").
append(TYPE_STR).
append(" \"assert\":\n").
append(TYPE_STR).
append(" pattern: /\\bval\\b/\n").
append(" \"range\":\n").
append(TYPE_MAP).
append(MAPPING1).
append(" \"max\":\n").
append(TYPE_SCALAR).
append(" \"min\":\n").
append(TYPE_SCALAR).
append(" \"max-ex\":\n").
append(TYPE_SCALAR).
append(" \"min-ex\":\n").
append(TYPE_SCALAR).
append(" \"length\":\n").
append(TYPE_MAP).
append(MAPPING1).
append(" \"max\":\n").
append(TYPE_INT).
append(" \"min\":\n").
append(TYPE_INT).
append(" \"max-ex\":\n").
append(TYPE_INT).
append(" \"min-ex\":\n").
append(TYPE_INT).
append(" \"ident\":\n").
append(TYPE_BOOL).
append(" \"unique\":\n").
append(TYPE_BOOL).
append(" \"sequence\":\n").
append(" name: SEQUENCE\n").
append(" type: seq\n").
append(" sequence:\n").
append(" - type: map\n").
append(" mapping: *main-rule\n").
append(" name: MAIN\n").
append(" #required: yes\n").
append(" \"mapping\":\n").
append(" name: MAPPING\n").
append(TYPE_MAP).
append(MAPPING1).
append(" =:\n").
append(" type: map\n").
append(" mapping: *main-rule\n").
append(" name: MAIN\n").
append(" #required: yes\n").
toString();
/**
*
* ex.
* <pre>
* MetaValidator meta_validator = MetaValidator();
* Map schema = YamlUtil.loadFile("schema.yaml");
* List errors = meta_validator.validate(schema);
* if (errors != null && errors.size() > 0) {
* for (Iterator it = errors.iterator(); it.hasNext(); ) {
* ValidationException error = (ValidationException)it.next();
* System.err.println(" - [" + error.getPath() + "] " + error.getMessage());
* }
* }
* </pre>
*/
private static Validator __instance;
private MetaValidator(Map schema) {
super(schema);
}
public static Validator instance() {
synchronized (MetaValidator.class) {
if (__instance == null) {
try {
Map schema = (Map) YamlUtil.load(META_SCHEMA);
__instance = new MetaValidator(schema);
} catch (SyntaxException ex) {
errLogger.log(LogLevel.INFO,"MetaValidator","Failed validating schema: {}",ex);
assert false;
}
}
}
return __instance;
}
@Override
public void postValidationHook(Object value, Rule rule, ValidationContext theContext) {
if (value == null) {
return; // really?
}
if (! "MAIN".equals(rule.getName())) {
return;
}
assert value instanceof Map;
Map map = (Map)value;
String type = (String)map.get("type");
if (type == null) {
type = Types.getDefaultType();
}
if (map.containsKey(PATTERN1)) {
String pattern = (String)map.get(PATTERN1);
Matcher m = Util.matcher(pattern, "\\A\\/(.*)\\/([mi]?[mi]?)\\z");
String pat = m.find() ? m.group(1) : pattern;
try {
Pattern.compile(pat);
} catch (PatternSyntaxException ex) {
errLogger.log(LogLevel.INFO,"MetaValidator","pattern.syntaxerr: {}",ex);
theContext.addError("pattern.syntaxerr", rule, PATTERN1, pattern, null);
}
}
if (map.containsKey("enum")) {
List enumList = (List)map.get("enum");
if (Types.isCollectionType(type)) {
theContext.addError("enum.notscalar", rule, "enum:", (Object[])null);
} else {
checkEnum(rule, theContext, type, enumList);
}
}
if (map.containsKey("assert")) {
errLogger.log(LogLevel.ERROR, this.getClass().getName(), "*** warning: sorry, 'assert:' is not supported in current version of Kwalify-java.");
}
if (map.containsKey(RANGE)) {
Map range = (Map)map.get(RANGE);
if (Types.isCollectionType(type) || "bool".equals(type) || "any".equals(type)) {
theContext.addError("range.notscalar", rule, "range:", null, null);
} else {
rangeCheck(rule, theContext, type, range);
}
if (range.containsKey("max") && range.containsKey(MAX_EX)) {
theContext.addError("range.twomax", rule, RANGE, null, null);
}
if (range.containsKey("min") && range.containsKey(MIN_EX)) {
theContext.addError("range.twomin", rule, RANGE, null, null);
}
Object max = range.get("max");
Object min = range.get("min");
Object maxEx = range.get(MAX_EX);
Object minEx = range.get(MIN_EX);
Object[] args;
if (max != null) {
if (min != null && Util.compareValues(max, min) < 0) {
args = new Object[] { max, min };
theContext.addError("range.maxltmin", rule, RANGE, null, args);
} else if (minEx != null && Util.compareValues(max, minEx) <= 0) {
args = new Object[] { max, minEx };
theContext.addError("range.maxleminex", rule, RANGE, null, args);
}
} else if (maxEx != null) {
if (min != null && Util.compareValues(maxEx, min) <= 0) {
args = new Object[] { maxEx, min };
theContext.addError("range.maxexlemin", rule, RANGE, null, args);
} else if (minEx != null && Util.compareValues(maxEx, minEx) <= 0) {
args = new Object[] { maxEx, minEx };
theContext.addError("range.maxexleminex", rule, RANGE, null, args);
}
}
}
if (map.containsKey(LENGTH)) {
Map length = (Map)map.get(LENGTH);
if (! ("str".equals(type) || "text".equals(type))) {
theContext.addError("length.nottext", rule, "length:", (Object[])null);
}
if (length.containsKey("max") && length.containsKey(MAX_EX)) {
theContext.addError("length.twomax", rule, LENGTH, (Object[])null);
}
if (length.containsKey("min") && length.containsKey(MIN_EX)) {
theContext.addError("length.twomin", rule, LENGTH, (Object[])null);
}
Integer max = (Integer)length.get("max");
Integer min = (Integer)length.get("min");
Integer maxEx = (Integer)length.get(MAX_EX);
Integer minEx = (Integer)length.get(MIN_EX);
Object[] args;
if (max != null) {
if (min != null && max.compareTo(min) < 0) {
args = new Object[] { max, min };
theContext.addError("length.maxltmin", rule, LENGTH, null, args);
} else if (minEx != null && max.compareTo(minEx) <= 0) {
args = new Object[] { max, minEx };
theContext.addError("length.maxleminex", rule, LENGTH, null, args);
}
} else if (maxEx != null) {
if (min != null && maxEx.compareTo(min) <= 0) {
args = new Object[] { maxEx, min };
theContext.addError("length.maxexlemin", rule, LENGTH, null, args);
} else if (minEx != null && maxEx.compareTo(minEx) <= 0) {
args = new Object[] { maxEx, minEx };
theContext.addError("length.maxexleminex", rule, LENGTH, null, args);
}
}
}
if (map.containsKey("unique")) {
Boolean unique = (Boolean)map.get("unique");
if (unique && Types.isCollectionType(type)) {
theContext.addError("unique.notscalar", rule, "unique:", (Object[])null);
}
if (theContext.getPath().length() == 0) {
theContext.addError("unique.onroot", rule, "", "unique:", null);
}
}
if (map.containsKey(IDENT)) {
Boolean ident = (Boolean)map.get(IDENT);
if (ident && Types.isCollectionType(type)) {
theContext.addError("ident.notscalar", rule, IDENT1, (Object[])null);
}
if (theContext.getPath().length() == 0) {
theContext.addError("ident.onroot", rule, "/", IDENT1, null);
}
}
if (map.containsKey(SEQUENCE)) {
List seq = (List)map.get(SEQUENCE);
if (seq == null || seq.isEmpty()) {
theContext.addError("sequence.noelem", rule, SEQUENCE, seq, null);
} else if (seq.size() > 1) {
theContext.addError("sequence.toomany", rule, SEQUENCE, seq, null);
} else {
Object item = seq.get(0);
assert item instanceof Map;
Map m = (Map)item;
Boolean ident2 = (Boolean)m.get(IDENT);
if (ident2 != null && ident2 && ! "map".equals(m.get("type"))) {
theContext.addError("ident.notmap", null, "sequence/0", IDENT1, null);
}
}
}
if (map.containsKey(MAPPING)) {
Map mapping = (Map)map.get(MAPPING);
Object defaultValue = null;
if (mapping != null && mapping instanceof Defaultable) {
defaultValue = ((Defaultable)mapping).getDefault();
}
if (mapping == null || (mapping.size() == 0 && defaultValue == null)) {
theContext.addError("mapping.noelem", rule, MAPPING, mapping, null);
}
}
if ("seq".equals(type)) {
if (! map.containsKey(SEQUENCE)) {
theContext.addError("seq.nosequence", rule, null, (Object[])null);
}
if (map.containsKey(PATTERN1)) {
theContext.addError("seq.conflict", rule, PATTERN, (Object[])null);
}
if (map.containsKey(MAPPING)) {
theContext.addError("seq.conflict", rule, "mapping:", (Object[])null);
}
} else if ("map".equals(type)) {
if (! map.containsKey(MAPPING)) {
theContext.addError("map.nomapping", rule, null, (Object[])null);
}
if (map.containsKey(PATTERN1)) {
theContext.addError("map.conflict", rule, PATTERN, (Object[])null);
}
if (map.containsKey(SEQUENCE)) {
theContext.addError("map.conflict", rule, "sequence:", (Object[])null);
}
} else {
if (map.containsKey(SEQUENCE)) {
theContext.addError(SCALAR_CONFLICT, rule, "sequence:", (Object[])null);
}
if (map.containsKey(MAPPING)) {
theContext.addError(SCALAR_CONFLICT, rule, "mapping:", (Object[])null);
}
if (map.containsKey("enum")) {
if (map.containsKey(RANGE)) {
theContext.addError(ENUM_CONFLICT, rule, "range:", (Object[])null);
}
if (map.containsKey(LENGTH)) {
theContext.addError(ENUM_CONFLICT, rule, "length:", (Object[])null);
}
if (map.containsKey(PATTERN1)) {
theContext.addError(ENUM_CONFLICT, rule, PATTERN, (Object[])null);
}
}
}
}
private void checkEnum(Rule rule, ValidationContext theContext, String type, List enumList) {
for (Object elem : enumList) {
if (!Types.isCorrectType(elem, type)) {
theContext.addError("enum.type.unmatch", rule, "enum", elem, new Object[]{Types.typeName(type)});
}
}
}
private void rangeCheck(Rule rule, ValidationContext theContext, String type, Map range) {
for (Object o : range.keySet()) {
String k = (String) o;
Object v = range.get(k);
if (!Types.isCorrectType(v, type)) {
theContext.addError("range.type.unmatch", rule, "range/" + k, v, new Object[]{Types.typeName(type)});
}
}
}
}
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