package chat.module.friendcircle;
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import java.util.HashSet;
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import java.util.Set;
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import frame.util.ContentBuilder;
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public class LabeList {
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public static String Spliter = "#";
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private Set<String> items;
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private String value;
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public LabeList() {
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items = new HashSet<String>();
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value = null;
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}
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public void addone(String label) {
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if (label == null) {
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return;
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}
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items.add(label);
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value = null;
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}
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public synchronized String getValue() {
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if (value == null) {
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value = createValue();
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}
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return value;
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}
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private String createValue() {
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if (items.isEmpty()) {
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return "";
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}
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ContentBuilder builder = new ContentBuilder(Spliter);
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for (String label: items) {
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builder.append(label);
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}
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return Spliter + builder.toString();
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}
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public void load(String value) {
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if (value == null) {
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return;
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}
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value = value.trim();
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String[] segments = value.split("#");
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for (String segment: segments) {
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segment = segment.trim();
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if ("".equals(segment)) {
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continue;
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}
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items.add(segment);
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}
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}
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}
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