org.glassfish.grizzly.filterchain.FilterChainBuilder Maven / Gradle / Ivy
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package org.glassfish.grizzly.filterchain;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* {@link FilterChainBuilder} implementation, which is responsible for
* constructing {@link FilterChain}s.
*
* @author Alexey Stashok
*/
public abstract class FilterChainBuilder {
protected final List patternFilterChain;
private FilterChainBuilder() {
patternFilterChain = new ArrayList();
}
public static FilterChainBuilder stateless() {
return new StatelessFilterChainBuilder();
}
public static FilterChainBuilder stateful() {
throw new UnsupportedOperationException("Not implemented yet");
}
public abstract FilterChain build();
public FilterChainBuilder add(Filter filter) {
return addLast(filter);
}
public FilterChainBuilder addFirst(Filter filter) {
patternFilterChain.add(0, filter);
return this;
}
public FilterChainBuilder addLast(Filter filter) {
patternFilterChain.add(filter);
return this;
}
public FilterChainBuilder add(int index, Filter filter) {
patternFilterChain.add(index, filter);
return this;
}
public FilterChainBuilder set(int index, Filter filter) {
patternFilterChain.set(index, filter);
return this;
}
public Filter get(int index) {
return patternFilterChain.get(index);
}
public FilterChainBuilder remove(int index) {
patternFilterChain.remove(index);
return this;
}
public FilterChainBuilder remove(Filter filter) {
patternFilterChain.remove(filter);
return this;
}
public FilterChainBuilder addAll(Filter[] array) {
patternFilterChain.addAll(patternFilterChain.size(), Arrays.asList(array));
return this;
}
public FilterChainBuilder addAll(int filterIndex, Filter[] array) {
patternFilterChain.addAll(filterIndex, Arrays.asList(array));
return this;
}
public FilterChainBuilder addAll(List list) {
return addAll(patternFilterChain.size(), list);
}
public FilterChainBuilder addAll(int filterIndex, List list) {
patternFilterChain.addAll(filterIndex, list);
return this;
}
public FilterChainBuilder addAll(final FilterChainBuilder source) {
patternFilterChain.addAll(source.patternFilterChain);
return this;
}
public int indexOf(final Filter filter) {
return patternFilterChain.indexOf(filter);
}
public int indexOfType(final Class filterType) {
final int size = patternFilterChain.size();
for (int i = 0; i < size; i++) {
final Filter filter = get(i);
if (filterType.isAssignableFrom(filter.getClass())) {
return i;
}
}
return -1;
}
public static class StatelessFilterChainBuilder extends FilterChainBuilder {
@Override
public FilterChain build() {
final FilterChain fc = new DefaultFilterChain();
fc.addAll(patternFilterChain);
return fc;
}
}
}