--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import java.util.Collection;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
+
+abstract class AbstractBigRangeGenerator<T extends Number & Comparable<T>> extends AbstractRangeGenerator<T> {
+ protected AbstractBigRangeGenerator(final Class<T> typeClass) {
+ super(typeClass);
+ }
+
+ private String itemType() {
+ final StringBuilder sb = new StringBuilder("com.google.common.collect.Range<");
+ sb.append(getTypeName()).append('>');
+
+ return sb.toString();
+ }
+
+ private String arrayType() {
+ return new StringBuilder(itemType()).append("[]").toString();
+ }
+
+ @Override
+ protected final String generateRangeCheckerImplementation(final String checkerName, @Nonnull final Collection<RangeConstraint> restrictions) {
+ final StringBuilder sb = new StringBuilder();
+
+ // Field to hold the Range objects in an array
+ sb.append("private static final ").append(arrayType()).append(' ').append(checkerName).append(";\n");
+
+ // Static initializer block for the array
+ sb.append("static {\n");
+ sb.append(" @SuppressWarnings(\"unchecked\")\n");
+ sb.append(" final ").append(arrayType()).append(" a = (").append(arrayType())
+ .append(") java.lang.reflect.Array.newInstance(com.google.common.collect.Range.class, ").append(restrictions.size()).append(");\n");
+
+ int i = 0;
+ for (RangeConstraint r : restrictions) {
+ final String min = format(getValue(r.getMin()));
+ final String max = format(getValue(r.getMax()));
+
+ sb.append(" a[").append(i++).append("] = com.google.common.collect.Range.closed(").append(min).append(", ").append(max).append(");\n");
+ }
+
+ sb.append(" ").append(checkerName).append(" = a;\n");
+ sb.append("}\n\n");
+
+ // Static enforcement method
+ sb.append("private static void ").append(checkerName).append("(final ").append(getTypeName()).append(" value) {\n");
+ sb.append(" for (").append(itemType()).append(" r : ").append(checkerName).append(") {\n");
+ sb.append(" if (r.contains(value)) {\n");
+ sb.append(" return;\n");
+ sb.append(" }\n");
+ sb.append(" }\n");
+ sb.append("\n");
+ sb.append(" throw new IllegalArgumentException(String.format(\"Invalid value %s, expected: %s.\", value, java.util.Arrays.asList(").append(checkerName).append(")));\n");
+ sb.append("}\n\n");
+
+ return sb.toString();
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import com.google.common.base.Preconditions;
+import java.util.ArrayList;
+import java.util.Collection;
+import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+abstract class AbstractPrimitiveRangeGenerator<T extends Number & Comparable<T>> extends AbstractRangeGenerator<T> {
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractPrimitiveRangeGenerator.class);
+ private final T minValue;
+ private final T maxValue;
+
+ protected AbstractPrimitiveRangeGenerator(final Class<T> typeClass, final T minValue, final T maxValue) {
+ super(typeClass);
+ this.minValue = Preconditions.checkNotNull(minValue);
+ this.maxValue = Preconditions.checkNotNull(maxValue);
+ }
+
+ private boolean needsMaximumEnforcement(final T maxToEnforce) {
+ return maxValue.compareTo(maxToEnforce) > 0;
+ }
+
+ private boolean needsMinimumEnforcement(final T minToEnforce) {
+ return minValue.compareTo(minToEnforce) < 0;
+ }
+
+ private final Collection<String> createConditionals(final Collection<RangeConstraint> restrictions) {
+ final Collection<String> ret = new ArrayList<>(restrictions.size());
+
+ for (RangeConstraint r : restrictions) {
+ final T min = getValue(r.getMin());
+ final boolean needMin = needsMinimumEnforcement(min);
+
+ final T max = getValue(r.getMax());
+ final boolean needMax = needsMaximumEnforcement(max);
+
+ if (!needMin && !needMax) {
+ LOG.debug("Type {} indicates [{}, {}] does not require enforcement", getTypeName(), min, max);
+ continue;
+ }
+
+ final StringBuilder sb = new StringBuilder();
+ if (needMin) {
+ sb.append("value >= ").append(format(min));
+ if (needMax) {
+ sb.append(" && ");
+ }
+ }
+ if (needMax) {
+ sb.append("value <= ").append(format(max));
+ }
+
+ ret.add(sb.toString());
+ }
+
+ return ret;
+ }
+
+ @Override
+ protected final String generateRangeCheckerImplementation(final String checkerName, final Collection<RangeConstraint> restrictions) {
+ final StringBuilder sb = new StringBuilder();
+ final Collection<String> conditionals = createConditionals(restrictions);
+
+ sb.append("private static void ").append(checkerName).append("(final ").append(getTypeName()).append(" value) {\n");
+
+ if (!conditionals.isEmpty()) {
+ for (String c : conditionals) {
+ sb.append(" if (").append(c).append(") {\n");
+ sb.append(" return;\n");
+ sb.append(" }\n");
+ }
+
+ sb.append(" throw new IllegalArgumentException(String.format(\"Invalid value %s does not match any required ranges\", value));\n");
+ }
+
+ sb.append("}\n\n");
+
+ return sb.toString();
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import java.util.Collection;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.model.api.type.RangeConstraint;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+abstract class AbstractRangeGenerator<T extends Number & Comparable<T>> {
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractRangeGenerator.class);
+ private static final Map<String, AbstractRangeGenerator<?>> GENERATORS;
+
+ private static void addGenerator(final Builder<String, AbstractRangeGenerator<?>> b, final AbstractRangeGenerator<?> generator) {
+ b.put(generator.getTypeClass().getCanonicalName(), generator);
+ }
+
+ static {
+ final Builder<String, AbstractRangeGenerator<?>> b = ImmutableMap.<String, AbstractRangeGenerator<?>> builder();
+ addGenerator(b, new ByteRangeGenerator());
+ addGenerator(b, new ShortRangeGenerator());
+ addGenerator(b, new IntegerRangeGenerator());
+ addGenerator(b, new LongRangeGenerator());
+ addGenerator(b, new BigDecimalRangeGenerator());
+ addGenerator(b, new BigIntegerRangeGenerator());
+ GENERATORS = b.build();
+ }
+
+ private final Class<T> type;
+
+ protected AbstractRangeGenerator(final Class<T> typeClass) {
+ this.type = Preconditions.checkNotNull(typeClass);
+ }
+
+ static AbstractRangeGenerator<?> getInstance(final String canonicalName) {
+ return GENERATORS.get(canonicalName);
+ }
+
+ /**
+ * Return the type's class.
+ *
+ * @return A class object
+ */
+ protected final @Nonnull Class<T> getTypeClass() {
+ return type;
+ }
+
+ /**
+ * Return the type's fully-qualified name.
+ *
+ * @return Fully-qualified name
+ */
+ protected final @Nonnull String getTypeName() {
+ return type.getName();
+ }
+
+ protected final @Nonnull T getValue(final Number value) {
+ if (type.isInstance(value)) {
+ return type.cast(value);
+ }
+
+ LOG.info("Number class conversion from {} to {} may lose precision of {}", value.getClass(), type, value);
+ return convert(value);
+ }
+
+ // FIXME: Once BUG-3399 is fixed, we should never need this
+ @Deprecated
+ protected abstract T convert(final Number value);
+
+ /**
+ * Format a value into a Java-compilable expression which results in the appropriate
+ * type.
+ * @param number Number value
+ * @return Java language string representation
+ */
+ protected abstract @Nonnull String format(final T number);
+
+ /**
+ * Generate the checker method source code.
+ * @param checkerName Name of the checker method.
+ * @param restrictions Restrictions which need to be applied.
+ * @return Method source code.
+ */
+ protected abstract @Nonnull String generateRangeCheckerImplementation(@Nonnull final String checkerName, @Nonnull final Collection<RangeConstraint> restrictions);
+
+ private static String rangeCheckerName(final String member) {
+ final StringBuilder sb = new StringBuilder("check");
+ if (member != null) {
+ sb.append(member);
+ }
+ return sb.append("Range").toString();
+ }
+
+ String generateRangeChecker(@Nullable final String member, @Nonnull final Collection<RangeConstraint> restrictions) {
+ Preconditions.checkArgument(!restrictions.isEmpty(), "Restrictions may not be empty");
+ return generateRangeCheckerImplementation(rangeCheckerName(member), restrictions);
+ }
+
+ String generateRangeCheckerCall(@Nullable final String member, @Nonnull final String valueReference) {
+ return rangeCheckerName(member) + '(' + valueReference + ");\n";
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import com.google.common.base.Preconditions;
+
+abstract class AbstractSubIntegerRangeGenerator<T extends Number & Comparable<T>> extends AbstractPrimitiveRangeGenerator<T> {
+ private final String castType;
+
+ protected AbstractSubIntegerRangeGenerator(final Class<T> typeClass, final T minValue, final T maxValue, final String castType) {
+ super(typeClass, minValue, maxValue);
+ this.castType = Preconditions.checkNotNull(castType);
+ }
+
+ @Override
+ protected final String format(final T number) {
+ // Make sure the number constant is cast to the corresponding primitive type
+ return '(' + castType + ')' + number;
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+
+final class BigDecimalRangeGenerator extends AbstractBigRangeGenerator<BigDecimal> {
+ BigDecimalRangeGenerator() {
+ super(BigDecimal.class);
+ }
+
+ @Override
+ protected String format(final BigDecimal number) {
+ if (BigDecimal.ZERO.equals(number)) {
+ return "java.math.BigDecimal.ZERO";
+ }
+ if (BigDecimal.ONE.equals(number)) {
+ return "java.math.BigDecimal.ONE";
+ }
+ if (BigDecimal.TEN.equals(number)) {
+ return "java.math.BigDecimal.TEN";
+ }
+
+ // FIXME: can we do something better?
+ return "new java.math.BigDecimal(\"" + number + "\")";
+ }
+
+ @Override
+ protected BigDecimal convert(final Number value) {
+ if (value instanceof BigInteger) {
+ return new BigDecimal((BigInteger)value);
+ } else if (value instanceof Byte) {
+ return new BigDecimal(value.intValue());
+ } else if (value instanceof Short) {
+ return new BigDecimal(value.intValue());
+ } else if (value instanceof Integer) {
+ return new BigDecimal(value.intValue());
+ } else {
+ return BigDecimal.valueOf(value.longValue());
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+import java.math.BigInteger;
+
+final class BigIntegerRangeGenerator extends AbstractBigRangeGenerator<BigInteger> {
+ BigIntegerRangeGenerator() {
+ super(BigInteger.class);
+ }
+
+ @Override
+ protected String format(final BigInteger number) {
+ if (BigInteger.ZERO.equals(number)) {
+ return "java.math.BigInteger.ZERO";
+ }
+ if (BigInteger.ONE.equals(number)) {
+ return "java.math.BigInteger.ONE";
+ }
+ if (BigInteger.TEN.equals(number)) {
+ return "java.math.BigInteger.TEN";
+ }
+
+ // Check for conversion to long
+ final long l = number.longValue();
+ if (number.equals(BigInteger.valueOf(l))) {
+ return "java.math.BigInteger.valueOf(" + l + "L)";
+ } else {
+ return "new java.math.BigInteger(\"" + number.toString() + "\")";
+ }
+ }
+
+ @Override
+ protected BigInteger convert(final Number value) {
+ return BigInteger.valueOf(value.longValue());
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+final class ByteRangeGenerator extends AbstractSubIntegerRangeGenerator<Byte> {
+ ByteRangeGenerator() {
+ super(Byte.class, Byte.MIN_VALUE, Byte.MAX_VALUE, byte.class.getName());
+ }
+
+ @Override
+ protected Byte convert(final Number value) {
+ return value.byteValue();
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+final class IntegerRangeGenerator extends AbstractPrimitiveRangeGenerator<Integer> {
+ IntegerRangeGenerator() {
+ super(Integer.class, Integer.MIN_VALUE, Integer.MAX_VALUE);
+ }
+
+ @Override
+ protected final String format(final Integer number) {
+ return number.toString();
+ }
+
+ @Override
+ protected Integer convert(final Number value) {
+ return value.intValue();
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+final class LongRangeGenerator extends AbstractPrimitiveRangeGenerator<Long> {
+
+ protected LongRangeGenerator() {
+ super(Long.class, Long.MIN_VALUE, Long.MAX_VALUE);
+ }
+
+ @Override
+ protected String format(final Long number) {
+ return number.toString() + 'L';
+ }
+
+ @Override
+ protected Long convert(final Number value) {
+ return value.longValue();
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.sal.java.api.generator;
+
+final class ShortRangeGenerator extends AbstractSubIntegerRangeGenerator<Short> {
+ ShortRangeGenerator() {
+ super(Short.class, Short.MIN_VALUE, Short.MAX_VALUE, short.class.getName());
+ }
+
+ @Override
+ protected Short convert(final Number value) {
+ return value.shortValue();
+ }
+}
Code Review / yangtools.git / commitdiff