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package org.zwobble.mammoth.xml;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import static com.google.common.collect.Iterables.filter;
public class XmlElement implements XmlNode {
public XmlElement(String name) {
this(name, ImmutableMap.of());
}
public XmlElement(String name, Map<String, String> attributes) {
this(name, attributes, ImmutableList.of());
}
private final String name;
private final Map<String, String> attributes;
private final List<XmlNode> children;
public XmlElement(String name, Map<String, String> attributes, List<XmlNode> children) {
this.name = name;
this.attributes = attributes;
this.children = children;
}
public String getName() {
return name;
}
public Map<String, String> getAttributes() {
return attributes;
}
public String getAttribute(String name) {
// TODO: throw more informative error message
return Optional.ofNullable(attributes.get(name)).get();
}
public List<XmlNode> getChildren() {
return children;
}
@Override
public <T> T accept(XmlNodeVisitor<T> visitor) {
return visitor.visit(this);
}
public Iterable<XmlNode> children() {
return children;
}
@Override
public String toString() {
return "XmlElement(name=" + name + ", attributes=" + attributes
+ ", children=" + children + ")";
}
public XmlElementList findChildren(String name) {
Iterable<XmlElement> filtered = filter(
filter(children, XmlElement.class),
child -> child.getName().equals(name));
return new XmlElementList(ImmutableList.copyOf(filtered));
}
}
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