001 /*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2008-2017 the original author or authors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package griffon.core.editors;
019
020 import griffon.core.formatters.Formatter;
021 import griffon.core.formatters.ParseException;
022 import org.slf4j.Logger;
023 import org.slf4j.LoggerFactory;
024
025 import javax.annotation.Nullable;
026 import java.beans.PropertyEditorSupport;
027
028 import static griffon.core.GriffonExceptionHandler.sanitize;
029 import static griffon.util.GriffonNameUtils.isBlank;
030
031 /**
032 * @author Andres Almiray
033 * @since 2.0.0
034 */
035 public abstract class AbstractPropertyEditor extends PropertyEditorSupport implements ExtendedPropertyEditor {
036 private static final Logger LOG = LoggerFactory.getLogger(AbstractPropertyEditor.class);
037
038 private String format;
039
040 @Nullable
041 @Override
042 public String getFormat() {
043 return format;
044 }
045
046 @Override
047 public void setFormat(@Nullable String format) {
048 this.format = format;
049 }
050
051 @Override
052 public String getAsText() {
053 return isBlank(getFormat()) ? getAsTextInternal() : getFormattedValue();
054 }
055
056 @Override
057 public void setAsText(String str) throws IllegalArgumentException {
058 if (isBlank(getFormat())) {
059 setAsTextInternal(str);
060 } else {
061 setFormattedValue(str);
062 }
063 }
064
065 @Override
066 public void setValue(Object value) {
067 if (value instanceof CharSequence) {
068 setFormattedValue(String.valueOf(value));
069 } else {
070 setValueInternal(value);
071 }
072 }
073
074 protected void setValueInternal(Object value) {
075 super.setValue(value);
076 }
077
078 protected Object getValueInternal() {
079 return super.getValue();
080 }
081
082 protected void setAsTextInternal(String str) throws IllegalArgumentException {
083 setValueInternal(str);
084 }
085
086 protected String getAsTextInternal() {
087 return super.getAsText();
088 }
089
090 @Override
091 @SuppressWarnings({"unchecked", "rawtypes"})
092 public String getFormattedValue() {
093 Object value = getValueInternal();
094 Formatter formatter = resolveFormatter();
095 if (formatter != null) {
096 return formatter.format(value);
097 }
098 return value != null ? value.toString() : null;
099 }
100
101 @Override
102 @SuppressWarnings("ThrowableResultOfMethodCallIgnored")
103 public void setFormattedValue(String value) {
104 Formatter<?> formatter = resolveFormatter();
105 if (formatter != null) {
106 try {
107 setValueInternal(formatter.parse(value));
108 } catch (ParseException e) {
109 e = (ParseException) sanitize(e);
110 if (LOG.isTraceEnabled()) {
111 LOG.trace("Cannot parse value " + value, e);
112 }
113
114 throw new ValueConversionException(value, e);
115 }
116 } else {
117 setValueInternal(value);
118 }
119 }
120
121 protected Formatter<?> resolveFormatter() {
122 return null;
123 }
124
125 protected ValueConversionException illegalValue(Object value, Class<?> klass) {
126 throw new ValueConversionException(value, klass);
127 }
128
129 protected ValueConversionException illegalValue(Object value, Class<?> klass, Exception e) {
130 throw new ValueConversionException(value, klass, e);
131 }
132 }
|