package org.opendaylight.mdsal.binding.java.api.generator;
import com.google.common.collect.Range;
-import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collection;
-import java.util.List;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
+import java.util.Set;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.mdsal.binding.model.api.Type;
import org.opendaylight.yangtools.yang.model.api.type.LengthConstraint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
final class LengthGenerator {
+ private static final Logger LOG = LoggerFactory.getLogger(LengthGenerator.class);
+
private LengthGenerator() {
throw new UnsupportedOperationException();
}
return "check" + member + "Length";
}
- private static Collection<String> createExpressions(final Collection<LengthConstraint> constraints) {
+ private static Collection<String> createExpressions(final LengthConstraint constraint) {
+ final Set<Range<Integer>> constraints = constraint.getAllowedRanges().asRanges();
final Collection<String> ret = new ArrayList<>(constraints.size());
- for (LengthConstraint l : constraints) {
- final StringBuilder sb = new StringBuilder("length >");
-
+ for (Range<Integer> l : constraints) {
// We have to deal with restrictions being out of integer's range
- if (l.getMin().longValue() <= Integer.MAX_VALUE) {
- sb.append('=');
+ final String expr = createExpression(l.lowerEndpoint().intValue(), l.upperEndpoint().intValue());
+ if (expr == null) {
+ // This range is implicitly capped by String/byte[] length returns
+ LOG.debug("Constraint {} implied by int type value domain, skipping", l);
+ } else {
+ ret.add(expr);
}
- sb.append(' ').append(l.getMin().intValue());
+ }
+
+ return ret;
+ }
- final int max = l.getMax().intValue();
+ private static @Nullable String createExpression(final int min, final int max) {
+ if (min == max) {
+ return min < Integer.MAX_VALUE ? "length == " + min : null;
+ }
+ if (min > 0) {
+ final StringBuilder sb = new StringBuilder("length >= ").append(min);
if (max < Integer.MAX_VALUE) {
sb.append(" && length <= ").append(max);
}
-
- ret.add(sb.toString());
+ return sb.toString();
}
- return ret;
+ return max < Integer.MAX_VALUE ? "length <= " + max : null;
}
- private static String createLengthString(final Collection<LengthConstraint> constraints) {
- final List<Range<BigInteger>> ranges = new ArrayList<>(constraints.size());
-
- for (LengthConstraint c : constraints) {
- ranges.add(Range.closed(new BigInteger(c.getMin().toString()), new BigInteger(c.getMax().toString())));
- }
-
- return ranges.toString();
+ private static String createLengthString(final LengthConstraint constraint) {
+ return new ArrayList<>(constraint.getAllowedRanges().asRanges()).toString();
}
- private static String generateArrayLengthChecker(final String member, final Collection<LengthConstraint> constraints) {
+ private static String generateArrayLengthChecker(final String member, final LengthConstraint constraint,
+ final JavaFileTemplate template) {
final StringBuilder sb = new StringBuilder();
- final Collection<String> expressions = createExpressions(constraints);
+ final Collection<String> expressions = createExpressions(constraint);
sb.append("private static void ").append(lengthCheckerName(member)).append("(final byte[] value) {\n");
sb.append(" }\n");
}
- sb.append(" throw new IllegalArgumentException(String.format(\"Invalid length: %s, expected: ")
- .append(createLengthString(constraints)).append(".\", java.util.Arrays.toString(value)));\n");
+ sb.append(" ").append(template.importedName(JavaFileTemplate.CODEHELPERS))
+ .append(".throwInvalidLength(\"").append(createLengthString(constraint)).append("\", value);\n");
}
- sb.append("}\n");
-
- return sb.toString();
+ return sb.append("}\n").toString();
}
- private static String generateStringLengthChecker(final String member, final Collection<LengthConstraint> constraints) {
+ private static String generateStringLengthChecker(final String member, final LengthConstraint constraint,
+ final JavaFileTemplate template) {
final StringBuilder sb = new StringBuilder();
- final Collection<String> expressions = createExpressions(constraints);
+ final Collection<String> expressions = createExpressions(constraint);
sb.append("private static void ").append(lengthCheckerName(member)).append("(final String value) {\n");
sb.append(" }\n");
}
- sb.append(" throw new IllegalArgumentException(String.format(\"Invalid length: %s, expected: ")
- .append(createLengthString(constraints)).append(".\", value));\n");
+ sb.append(" ").append(template.importedName(JavaFileTemplate.CODEHELPERS))
+ .append(".throwInvalidLength(\"").append(createLengthString(constraint)).append("\", value);\n");
}
- sb.append("}\n");
-
- return sb.toString();
+ return sb.append("}\n").toString();
}
- static String generateLengthChecker(final String member, final Type type, final Collection<LengthConstraint> constraints) {
- if (TypeUtils.getBaseYangType(type).getName().contains("[")) {
- return generateArrayLengthChecker(member, constraints);
- } else {
- return generateStringLengthChecker(member, constraints);
- }
+ static String generateLengthChecker(final String member, final @NonNull Type type,
+ final LengthConstraint constraint, final JavaFileTemplate template) {
+ return TypeUtils.getBaseYangType(type).getName().indexOf('[') != -1
+ ? generateArrayLengthChecker(member, constraint, template)
+ : generateStringLengthChecker(member, constraint, template);
}
- static String generateLengthCheckerCall(@Nullable final String member, @Nonnull final String valueReference) {
+ static String generateLengthCheckerCall(final @Nullable String member, final @NonNull String valueReference) {
return lengthCheckerName(member) + '(' + valueReference + ");\n";
}
}
Code Review / mdsal.git / blobdiff