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package com.fasterxml.jackson.databind.exc;

import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;

import com.fasterxml.jackson.core.JsonLocation;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.JsonMappingException;

/**
 * Base class for {@link JsonMappingException}s that are specifically related
 * to problems related to binding an individual property.
 *
 * @since 2.3
 */
@SuppressWarnings("serial")
public abstract class PropertyBindingException
    extends MismatchedInputException // since 2.9
{
    /**
     * Class that does not contain mapping for the unrecognized property.
     */
    protected final Class _referringClass;

    /**
     *

* Note: redundant information since it is also included in the * reference path. */ protected final String _propertyName; /** * Set of ids of properties that are known for the type, if this * can be statically determined. */ protected final Collection _propertyIds; /** * Lazily constructed description of known properties, used for * constructing actual message if and as needed. */ protected transient String _propertiesAsString; /** * @since 2.7 */ protected PropertyBindingException(JsonParser p, String msg, JsonLocation loc, Class referringClass, String propName, Collection propertyIds) { super(p, msg, loc); _referringClass = referringClass; _propertyName = propName; _propertyIds = propertyIds; } /** * @deprecated Since 2.7 */ @Deprecated // since 2.7 protected PropertyBindingException(String msg, JsonLocation loc, Class referringClass, String propName, Collection propertyIds) { this(null, msg, loc, referringClass, propName, propertyIds); } /* /********************************************************** /* Overrides /********************************************************** */ /** * Somewhat arbitrary limit, but let's try not to create uselessly * huge error messages */ private final static int MAX_DESC_LENGTH = 1000; @Override public String getMessageSuffix() { String suffix = _propertiesAsString; if (suffix == null && _propertyIds != null) { StringBuilder sb = new StringBuilder(100); int len = _propertyIds.size(); if (len == 1) { sb.append(" (one known property: \""); sb.append(String.valueOf(_propertyIds.iterator().next())); sb.append('"'); } else { sb.append(" (").append(len).append(" known properties: "); Iterator it = _propertyIds.iterator(); while (it.hasNext()) { sb.append('"'); sb.append(String.valueOf(it.next())); sb.append('"'); // one other thing: limit max length if (sb.length() > MAX_DESC_LENGTH) { sb.append(" [truncated]"); break; } if (it.hasNext()) { sb.append(", "); } } } sb.append("])"); _propertiesAsString = suffix = sb.toString(); } return suffix; } /* /********************************************************** /* Extended API /********************************************************** */ /** * Method for accessing type (class) that is missing definition to allow * binding of the unrecognized property. */ public Class getReferringClass() { return _referringClass; } /** * Convenience method for accessing logical property name that could * not be mapped. Note that it is the last path reference in the * underlying path. */ public String getPropertyName() { return _propertyName; } public Collection getKnownPropertyIds() { if (_propertyIds == null) { return null; } return Collections.unmodifiableCollection(_propertyIds); } }