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TextComponentImpl.java
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TextComponentImpl.java
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/*
* This file is part of adventure, licensed under the MIT License.
*
* Copyright (c) 2017-2022 KyoriPowered
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.kyori.adventure.text;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import net.kyori.adventure.internal.Internals;
import net.kyori.adventure.internal.properties.AdventureProperties;
import net.kyori.adventure.text.format.Style;
import net.kyori.adventure.util.Nag;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.VisibleForTesting;
import static java.util.Objects.requireNonNull;
final class TextComponentImpl extends AbstractComponent implements TextComponent {
private static final boolean WARN_WHEN_LEGACY_FORMATTING_DETECTED = Boolean.TRUE.equals(AdventureProperties.TEXT_WARN_WHEN_LEGACY_FORMATTING_DETECTED.value());
@VisibleForTesting
static final char SECTION_CHAR = '§';
static final TextComponent EMPTY = createDirect("");
static final TextComponent NEWLINE = createDirect("\n");
static final TextComponent SPACE = createDirect(" ");
private static @NotNull TextComponent createDirect(final @NotNull String content) {
return new TextComponentImpl(Collections.emptyList(), Style.empty(), content);
}
private final String content;
TextComponentImpl(final @NotNull List<? extends ComponentLike> children, final @NotNull Style style, final @NotNull String content) {
super(children, style);
this.content = requireNonNull(content, "content");
if (WARN_WHEN_LEGACY_FORMATTING_DETECTED) {
final LegacyFormattingDetected nag = this.warnWhenLegacyFormattingDetected();
if (nag != null) {
Nag.print(nag);
}
}
}
@VisibleForTesting
final @Nullable LegacyFormattingDetected warnWhenLegacyFormattingDetected() {
if (this.content.indexOf(SECTION_CHAR) != -1) {
return new LegacyFormattingDetected(this);
}
return null;
}
@Override
public @NotNull String content() {
return this.content;
}
@Override
public @NotNull TextComponent content(final @NotNull String content) {
if (Objects.equals(this.content, content)) return this;
return new TextComponentImpl(this.children, this.style, content);
}
@Override
public @NotNull TextComponent children(final @NotNull List<? extends ComponentLike> children) {
return new TextComponentImpl(requireNonNull(children, "children"), this.style, this.content);
}
@Override
public @NotNull TextComponent style(final @NotNull Style style) {
return new TextComponentImpl(this.children, requireNonNull(style, "style"), this.content);
}
@Override
public boolean equals(final @Nullable Object other) {
if (this == other) return true;
if (!(other instanceof TextComponentImpl)) return false;
if (!super.equals(other)) return false;
final TextComponentImpl that = (TextComponentImpl) other;
return Objects.equals(this.content, that.content);
}
@Override
public int hashCode() {
int result = super.hashCode();
result = (31 * result) + this.content.hashCode();
return result;
}
@Override
public String toString() {
return Internals.toString(this);
}
@Override
public @NotNull Builder toBuilder() {
return new BuilderImpl(this);
}
static final class BuilderImpl extends AbstractComponentBuilder<TextComponent, Builder> implements TextComponent.Builder {
/*
* We default to an empty string to avoid needing to manually set the
* content of a newly-created builder when we only want to append other
* components to the one being built.
*/
private String content = "";
BuilderImpl() {
}
BuilderImpl(final @NotNull TextComponent component) {
super(component);
this.content = component.content();
}
@Override
public @NotNull Builder content(final @NotNull String content) {
this.content = requireNonNull(content, "content");
return this;
}
@Override
public @NotNull String content() {
return this.content;
}
@Override
public @NotNull TextComponent build() {
if (this.isEmpty()) {
return Component.empty();
}
return new TextComponentImpl(this.children, this.buildStyle(), this.content);
}
private boolean isEmpty() {
return this.content.isEmpty() && this.children.isEmpty() && !this.hasStyle();
}
}
}