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Functionality used by all MockServer modules for matching and expectations
There is a newer version: 5.15.0
package org.mockserver.model;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.google.common.base.Joiner;
import org.apache.commons.lang3.StringUtils;

import java.util.*;
import java.util.regex.Pattern;

import static org.apache.commons.lang3.StringUtils.isNotBlank;
import static org.mockserver.model.NottableOptionalString.OPTIONAL_CHAR;
import static org.mockserver.model.NottableOptionalString.optionalString;
import static org.mockserver.model.ParameterStyle.DEEP_OBJECT;

/**
 * @author jamesdbloom
 */
public class NottableString extends ObjectWithJsonToString implements Comparable {

    public static final char NOT_CHAR = '!';
    private final String value;
    private final boolean isBlank;
    private final Boolean not;
    private final int hashCode;
    private final String json;
    private Pattern pattern;
    private Pattern lowercasePattern;
    private ParameterStyle parameterStyle;

    NottableString(String value, Boolean not) {
        this.value = value;
        this.isBlank = StringUtils.isBlank(value);
        if (not != null) {
            this.not = not;
        } else {
            this.not = Boolean.FALSE;
        }
        this.hashCode = Objects.hash(this.value, this.not);
        this.json = (this.isOptional() ? "" + OPTIONAL_CHAR : "") + (this.not ? "" + NOT_CHAR : "") + (!this.isBlank ? this.value : "");
    }

    NottableString(String value) {
        this.isBlank = StringUtils.isBlank(value);
        if (!this.isBlank && value.charAt(0) == NOT_CHAR) {
            this.value = value.substring(1);
            this.not = Boolean.TRUE;
        } else {
            this.value = value;
            this.not = Boolean.FALSE;
        }
        this.hashCode = Objects.hash(this.value, this.not);
        this.json = (this.isOptional() ? "" + OPTIONAL_CHAR : "") + (this.not ? "" + NOT_CHAR : "") + (!this.isBlank ? this.value : "");
    }

    public static List deserializeNottableStrings(String... strings) {
        List nottableStrings = new LinkedList<>();
        for (String string : strings) {
            nottableStrings.add(string(string));
        }
        return nottableStrings;
    }

    public static List deserializeNottableStrings(List strings) {
        List nottableStrings = new LinkedList<>();
        for (String string : strings) {
            nottableStrings.add(string(string));
        }
        return nottableStrings;
    }

    public static String serialiseNottableString(NottableString nottableString) {
        return nottableString.toString();
    }

    public static List serialiseNottableString(Collection nottableStrings) {
        List strings = new LinkedList<>();
        for (NottableString nottableString : nottableStrings) {
            strings.add(nottableString.toString());
        }
        return strings;
    }

    public static NottableString string(String value, Boolean not) {
        return new NottableString(value, not);
    }

    public static NottableString string(String value) {
        Boolean not = null;
        boolean optional = false;
        if (isNotBlank(value)) {
            if (value.charAt(0) == OPTIONAL_CHAR) {
                optional = true;
                value = value.substring(1);
            }
            if (value.charAt(0) == NOT_CHAR) {
                not = true;
                value = value.substring(1);
            }
            if (value.charAt(0) == OPTIONAL_CHAR) {
                optional = true;
                value = value.substring(1);
            }
        }
        if (optional) {
            return optionalString(value, not);
        } else {
            return new NottableString(value, not);
        }
    }

    public static NottableString not(String value) {
        return new NottableString(value, Boolean.TRUE);
    }

    public static List strings(String... values) {
        List nottableValues = new ArrayList<>();
        if (values != null) {
            for (String value : values) {
                nottableValues.add(string(value));
            }
        }
        return nottableValues;
    }

    public static List strings(Collection values) {
        List nottableValues = new ArrayList<>();
        if (values != null) {
            for (String value : values) {
                nottableValues.add(string(value));
            }
        }
        return nottableValues;
    }

    public String getValue() {
        return value;
    }

    @JsonIgnore
    public boolean isNot() {
        return not;
    }

    public boolean isOptional() {
        return false;
    }

    public ParameterStyle getParameterStyle() {
        return parameterStyle;
    }

    public NottableString withStyle(ParameterStyle style) {
        if (style.equals(DEEP_OBJECT)) {
            throw new IllegalArgumentException("deep object style is not supported");
        }
        this.parameterStyle = style;
        return this;
    }

    NottableString capitalize() {
        final String[] split = (value + "_").split("-");
        for (int i = 0; i < split.length; i++) {
            split[i] = StringUtils.capitalize(split[i]);
        }
        return new NottableString(StringUtils.substringBeforeLast(Joiner.on("-").join(split), "_"), not);
    }

    public NottableString lowercase() {
        return new NottableString(value.toLowerCase(), not);
    }

    public boolean equalsIgnoreCase(Object other) {
        return equals(other, true);
    }

    private boolean equals(Object other, boolean ignoreCase) {
        if (other instanceof String) {
            if (ignoreCase) {
                return not != ((String) other).equalsIgnoreCase(value);
            } else {
                return not != other.equals(value);
            }
        } else if (other instanceof NottableString) {
            NottableString that = (NottableString) other;
            if (that.getValue() == null) {
                return value == null;
            }
            boolean reverse = (that.not != this.not) && (that.not || this.not);
            if (ignoreCase) {
                return reverse != that.getValue().equalsIgnoreCase(value);
            } else {
                return reverse != that.getValue().equals(value);
            }
        }
        return false;
    }

    public boolean isBlank() {
        return isBlank;
    }

    public boolean matches(String input) {
        if (pattern == null) {
            pattern = Pattern.compile(getValue());
        }
        return pattern.matcher(input).matches();
    }

    public boolean matchesIgnoreCase(String input) {
        if (lowercasePattern == null) {
            lowercasePattern = Pattern.compile(getValue().toLowerCase());
        }
        return lowercasePattern.matcher(input.toLowerCase()).matches();
    }

    @Override
    public boolean equals(Object other) {
        if (other instanceof String) {
            return not != other.equals(value);
        } else if (this instanceof NottableSchemaString && other instanceof NottableSchemaString) {
            return equalsValue((NottableString) other);
        } else if (this instanceof NottableSchemaString) {
            return equalsSchema((NottableSchemaString) this, (NottableString) other);
        } else if (other instanceof NottableSchemaString) {
            return equalsSchema((NottableSchemaString) other, this);
        } else if (other instanceof NottableString) {
            return equalsValue((NottableString) other);
        }
        return false;
    }

    private boolean equalsSchema(NottableSchemaString schema, NottableString string) {
        if (schema.getValue() == null && string.value == null) {
            return true;
        } else if (schema.getValue() == null || string.value == null) {
            return false;
        } else {
            return schema.matches(string.value);
        }
    }

    private boolean equalsString(NottableString one, NottableString two) {
        if (one.value == null && two.value == null) {
            return true;
        } else if (one.value == null || two.value == null) {
            return false;
        } else {
            boolean reverse = (two.not != one.not) && (two.not || one.not);
            return reverse != two.value.equals(one.value);
        }
    }

    private boolean equalsValue(NottableString other) {
        return equalsString(this, other);
    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public String toString() {
        return json;
    }

    @Override
    public int compareTo(NottableString other) {
        return other.getValue().compareTo(this.getValue());
    }
}