2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.mdsal.binding.dom.codec.gen.spi;
10 import com.google.common.collect.Iterators;
11 import com.google.common.collect.UnmodifiableIterator;
12 import java.util.Collections;
13 import java.util.HashSet;
15 import org.opendaylight.mdsal.binding.model.api.Type;
17 public abstract class AbstractSource {
18 private final Set<StaticConstantDefinition> staticConstants = new HashSet<>();
20 public final <T> void staticConstant(final String name, final Class<T> type, final T value) {
21 staticConstants.add(new StaticConstantDefinition(name, type, value));
24 public final Set<StaticConstantDefinition> getStaticConstants() {
25 return Collections.unmodifiableSet(staticConstants);
28 private static StringBuilder commonInvoke(final CharSequence object, final String methodName) {
29 final StringBuilder sb = new StringBuilder();
34 return sb.append(methodName).append('(');
37 protected static final CharSequence invoke(final CharSequence object, final String methodName, final Object arg) {
38 return commonInvoke(object, methodName).append(arg).append(')');
41 protected static final CharSequence invoke(final CharSequence object, final String methodName,
42 final Object... args) {
43 final StringBuilder sb = commonInvoke(object, methodName);
45 final UnmodifiableIterator<Object> iterator = Iterators.forArray(args);
46 while (iterator.hasNext()) {
47 sb.append(iterator.next());
48 if (iterator.hasNext()) {
52 return sb.append(')');
55 protected static final CharSequence assign(final String var, final CharSequence value) {
56 return assign((String) null, var, value);
59 protected static final CharSequence assign(final String type, final String var, final CharSequence value) {
60 final StringBuilder sb = new StringBuilder();
65 return sb.append(var).append(" = ").append(value);
68 protected static final CharSequence assign(final Type type, final String var, final CharSequence value) {
69 return assign(type.getFullyQualifiedName(), var, value);
72 protected static final CharSequence cast(final Type type, final CharSequence value) {
73 return cast(type.getFullyQualifiedName(), value);
76 protected static final CharSequence cast(final String type, final CharSequence value) {
77 return "((" + type + ") " + value + ')';
80 protected static final CharSequence forEach(final String iterable, final String iteratorName,
81 final String valueType, final String valueName, final CharSequence body) {
82 final StringBuilder sb = new StringBuilder();
83 sb.append(statement(assign(java.util.Iterator.class.getName(), iteratorName, invoke(iterable, "iterator"))));
84 sb.append("while (").append(invoke(iteratorName, "hasNext")).append(") {\n");
85 sb.append(statement(assign(valueType, valueName,cast(valueType, invoke(iteratorName, "next")))));
87 return sb.append("\n}\n");
90 protected static final CharSequence statement(final CharSequence statement) {
91 return new StringBuilder(statement).append(";\n");