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com.rivescript.Config Maven / Gradle / Ivy
/*
* Copyright (c) 2016-2017 the original author or authors.
*
* 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 com.rivescript;
import com.rivescript.session.SessionManager;
import java.util.HashMap;
import java.util.Map;
/**
* User-configurable properties of the {@link RiveScript} interpreter.
*
* @author Noah Petherbridge
* @author Marcel Overdijk
*/
public class Config {
/**
* The default recursion depth limit.
*/
public static final int DEFAULT_DEPTH = 50;
/**
* The default unicode punctuation pattern.
*/
public static final String DEFAULT_UNICODE_PUNCTUATION_PATTERN = "[.,!?;:]";
private boolean throwExceptions;
private boolean strict;
private boolean utf8;
private String unicodePunctuation = DEFAULT_UNICODE_PUNCTUATION_PATTERN;
private boolean forceCase;
private int depth = DEFAULT_DEPTH;
private SessionManager sessionManager;
private Map errorMessages;
protected Config() {
}
/**
* Returns whether exception throwing is enabled.
*
* @return whether exception throwing is enabled
*/
public boolean isThrowExceptions() {
return throwExceptions;
}
/**
* Returns whether strict syntax checking is enabled.
*
* @return whether strict syntax checking is enabled
*/
public boolean isStrict() {
return strict;
}
/**
* Returns whether UTF-8 mode is enabled for user messages and triggers.
*
* @return whether UTF-8 mode is enabled for user messages and triggers
*/
public boolean isUtf8() {
return utf8;
}
/**
* Returns the unicode punctuation pattern.
*
* @return the unicode punctuation pattern
*/
public String getUnicodePunctuation() {
return unicodePunctuation;
}
/**
* Returns whether forcing triggers to lowercase is enabled.
*
* @return whether forcing triggers to lowercase is enabled
*/
public boolean isForceCase() {
return forceCase;
}
/**
* Returns the recursion depth limit.
*
* @return the recursion depth limit
*/
public int getDepth() {
return depth;
}
/**
* Returns the {@link SessionManager} for user variables.
*
* @return the session manager for user variables
*/
public SessionManager getSessionManager() {
return sessionManager;
}
/**
* Returns the custom error message overrides.
*
* @return the custom error message overrides
*/
public Map getErrorMessages() {
return errorMessages;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Config that = (Config) o;
if (throwExceptions != that.throwExceptions) {
return false;
}
if (strict != that.strict) {
return false;
}
if (utf8 != that.utf8) {
return false;
}
if (forceCase != that.forceCase) {
return false;
}
if (depth != that.depth) {
return false;
}
if (unicodePunctuation != null ? !unicodePunctuation.equals(that.unicodePunctuation) : that.unicodePunctuation != null) {
return false;
}
if (sessionManager != null ? !sessionManager.equals(that.sessionManager) : that.sessionManager != null) {
return false;
}
return errorMessages != null ? errorMessages.equals(that.errorMessages) : that.errorMessages == null;
}
@Override
public int hashCode() {
int result = (throwExceptions ? 1 : 0);
result = 31 * result + (strict ? 1 : 0);
result = 31 * result + (utf8 ? 1 : 0);
result = 31 * result + (unicodePunctuation != null ? unicodePunctuation.hashCode() : 0);
result = 31 * result + (forceCase ? 1 : 0);
result = 31 * result + depth;
result = 31 * result + (sessionManager != null ? sessionManager.hashCode() : 0);
result = 31 * result + (errorMessages != null ? errorMessages.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "Config{" +
"throwExceptions=" + throwExceptions +
", strict=" + strict +
", utf8=" + utf8 +
", unicodePunctuation='" + unicodePunctuation + '\'' +
", forceCase=" + forceCase +
", depth=" + depth +
", sessionManager=" + sessionManager +
", errorMessages=" + errorMessages +
'}';
}
/**
* Converts this {@link Config} instance to a {@link Builder}.
*
* @return the builder
*/
public Builder toBuilder() {
return newBuilder()
.throwExceptions(this.throwExceptions)
.strict(this.strict)
.utf8(this.utf8)
.unicodePunctuation(this.unicodePunctuation)
.forceCase(this.forceCase)
.depth(this.depth)
.sessionManager(this.sessionManager)
.errorMessages(this.errorMessages);
}
/**
* Creates a basic {@link Config}. A basic config has all the defaults, plus {@code strict = true}.
*
* @return the config
*/
public static Config basic() {
return Builder.basic().build();
}
/**
* Creates a basic {@link Config} with UTF-8 mode enabled.
*
* @return the config
*/
public static Config utf8() {
return Builder.utf8().build();
}
/**
* Creates a new {@link Builder}.
*
* @return the builder
*/
public static Builder newBuilder() {
return new Builder();
}
/**
* Builder for {@link Config}.
*/
public static final class Builder {
private boolean throwExceptions;
private boolean strict;
private boolean utf8;
private String unicodePunctuation = DEFAULT_UNICODE_PUNCTUATION_PATTERN;
private boolean forceCase;
private int depth = DEFAULT_DEPTH;
private SessionManager sessionManager;
private Map errorMessages;
private Builder() {
}
/**
* Sets whether exception throwing is enabled.
*
* @param throwExceptions whether exception throwing is enabled
* @return this builder
*/
public Builder throwExceptions(boolean throwExceptions) {
this.throwExceptions = throwExceptions;
return this;
}
/**
* Sets whether strict syntax checking is enabled.
*
* @param strict whether strict syntax checking is enabled
* @return this builder
*/
public Builder strict(boolean strict) {
this.strict = strict;
return this;
}
/**
* Sets whether UTF-8 mode is enabled.
*
* @param utf8 whether UTF-8 is enabled
* @return this builder
*/
public Builder utf8(boolean utf8) {
this.utf8 = utf8;
return this;
}
/**
* Sets the unicode punctuation pattern (only used when UTF-8 mode is enabled).
*
* @param unicodePunctuation the unicode punctuation pattern
* @return this builder
*/
public Builder unicodePunctuation(String unicodePunctuation) {
this.unicodePunctuation = unicodePunctuation;
return this;
}
/**
* Sets whether forcing triggers to lowercase is enabled.
*
* @param forceCase whether forcing triggers to lowercase is enabled
* @return this builder
*/
public Builder forceCase(boolean forceCase) {
this.forceCase = forceCase;
return this;
}
/**
* Sets the recursion depth limit.
*
* @param depth the recursion depth limit
* @return this builder
*/
public Builder depth(int depth) {
this.depth = depth;
return this;
}
/**
* Sets the {@link SessionManager} for user variables.
*
* @param sessionManager the session manager
* @return this builder
*/
public Builder sessionManager(SessionManager sessionManager) {
this.sessionManager = sessionManager;
return this;
}
/**
* Sets the custom error message overrides.
*
* @param errorMessages the custom error message overrides
* @return this builder
*/
public Builder errorMessages(Map errorMessages) {
this.errorMessages = errorMessages;
return this;
}
/**
* Adds a custom error message override.
*
* @param key the key of the error message
* @param value the custom error message
* @return this builder
*/
public Builder addErrorMessage(String key, String value) {
if (this.errorMessages == null) {
this.errorMessages = new HashMap<>();
}
this.errorMessages.put(key, value);
return this;
}
/**
* Builds the config.
*
* @return the config
*/
public Config build() {
Config config = new Config();
config.throwExceptions = this.throwExceptions;
config.strict = this.strict;
config.utf8 = this.utf8;
config.unicodePunctuation = this.unicodePunctuation;
config.forceCase = this.forceCase;
config.depth = this.depth;
config.sessionManager = this.sessionManager;
config.errorMessages = this.errorMessages;
return config;
}
/**
* Creates a basic {@link Config.Builder}. A basic builder has all the defaults, plus {@code strict = true}.
*
* @return the builder
*/
public static Builder basic() {
return new Builder().strict(true);
}
/**
* Creates a basic {@link Config.Builder} with UTF-8 mode enabled.
*
* @return the builder
*/
public static Builder utf8() {
return basic().utf8(true);
}
}
}