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| package org.qedeq.kernel.dto.list; |
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| import org.qedeq.kernel.base.list.Atom; |
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| import org.qedeq.kernel.base.list.Element; |
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| import org.qedeq.kernel.base.list.ElementList; |
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| public final class DefaultAtom implements Atom { |
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| private final String text; |
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18625
| public DefaultAtom(final String text) {
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18625
| if (text == null) {
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| throw new IllegalArgumentException("a NullPointer is no valid text");
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| } |
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18625
| this.text = text;
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| } |
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69266
| public final String getString() {
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69266
| return text;
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| } |
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117372
| public final boolean isAtom() {
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117372
| return true;
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| } |
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92434
| public final Atom getAtom() {
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| return this;
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| } |
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86652
| public final boolean isList() {
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86652
| return false;
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| } |
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| public final ElementList getList() {
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| throw new ClassCastException("this is no " + ElementList.class.getName()
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| + ", but a " + this.getClass().getName()); |
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| } |
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| public final Element copy() {
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| return new DefaultAtom(text);
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| } |
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| public final Element replace(final Element search, final Element replacement) {
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| if (this.equals(search)) {
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| return replacement.copy();
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| } |
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| return this.copy();
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| } |
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70966
| public final String toString() {
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70966
| StringBuffer result = new StringBuffer();
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70966
| result.append("\"");
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70966
| for (int i = 0; i < text.length(); i++) {
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107508
| if (text.charAt(i) == '\"') {
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| result.append("\"\"");
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| } else { |
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107508
| result.append(text.charAt(i));
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| } |
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| } |
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70966
| result.append('\"');
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| return result.toString();
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| } |
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5079
| public final boolean equals(final Object object) {
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| if (object instanceof DefaultAtom) {
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| return ((DefaultAtom) object).text.equals(text);
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| } |
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| return false;
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| } |
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| public final int hashCode() {
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| return toString().hashCode();
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| } |
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| } |