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package org.apache.any23.extractor.microdata; |
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import org.apache.any23.util.StringUtils; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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public class ItemPropValue { |
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| 35 | 0 | private static final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); |
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| 40 | 0 | public enum Type { |
| 41 | 0 | Plain, |
| 42 | 0 | Link, |
| 43 | 0 | Date, |
| 44 | 0 | Nested |
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} |
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public static Date parseDateTime(String dateStr) throws ParseException { |
| 48 | 0 | return sdf.parse(dateStr); |
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} |
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public static String formatDateTime(Date in) { |
| 52 | 0 | return sdf.format(in); |
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} |
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private final Object content; |
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private final Type type; |
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| 71 | 0 | public ItemPropValue(Object content, Type type) { |
| 72 | 0 | if(content == null) { |
| 73 | 0 | throw new NullPointerException("content cannot be null."); |
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} |
| 75 | 0 | if(type == null) { |
| 76 | 0 | throw new NullPointerException("type cannot be null."); |
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} |
| 78 | 0 | if(type == Type.Nested && ! (content instanceof ItemScope) ) { |
| 79 | 0 | throw new IllegalArgumentException( |
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"content must be an " + ItemScope.class + " when type is " + Type.Nested |
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); |
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} |
| 83 | 0 | if(type == Type.Date && !(content instanceof Date) ) { |
| 84 | 0 | throw new IllegalArgumentException( |
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"content must be a " + Date.class.getName() + " whe type is " + Type.Date |
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); |
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} |
| 88 | 0 | if(content instanceof String && ((String) content).trim().length() == 0) { |
| 89 | 0 | throw new IllegalArgumentException("Invalid content '" + content + "'"); |
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} |
| 91 | 0 | this.content = content; |
| 92 | 0 | this.type = type; |
| 93 | 0 | } |
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public Object getContent() { |
| 99 | 0 | return content; |
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} |
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public Type getType() { |
| 106 | 0 | return type; |
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} |
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public boolean isPlain() { |
| 113 | 0 | return type == Type.Plain; |
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} |
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public boolean isLink() { |
| 120 | 0 | return type == Type.Link; |
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} |
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public boolean isDate() { |
| 127 | 0 | return type == Type.Date; |
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} |
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public boolean isNested() { |
| 134 | 0 | return type == Type.Nested; |
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} |
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public boolean isInteger() { |
| 141 | 0 | if(type != Type.Plain) return false; |
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try { |
| 143 | 0 | Integer.parseInt((String) content); |
| 144 | 0 | return true; |
| 145 | 0 | } catch (Exception e) { |
| 146 | 0 | return false; |
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} |
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} |
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public boolean isFloat() { |
| 154 | 0 | if(type != Type.Plain) return false; |
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try { |
| 156 | 0 | Float.parseFloat((String) content); |
| 157 | 0 | return true; |
| 158 | 0 | } catch (Exception e) { |
| 159 | 0 | return false; |
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} |
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} |
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public boolean isNumber() { |
| 167 | 0 | return isInteger() || isFloat(); |
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} |
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public int getAsInteger() { |
| 176 | 0 | return Integer.parseInt((String) content); |
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} |
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public float getAsFloat() { |
| 185 | 0 | return Float.parseFloat((String) content); |
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} |
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public Date getAsDate() { |
| 195 | 0 | return (Date) content; |
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} |
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public URL getAsLink() { |
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try { |
| 205 | 0 | return new URL((String) content); |
| 206 | 0 | } catch (MalformedURLException murle) { |
| 207 | 0 | throw new IllegalStateException("Error while parsing URI.", murle); |
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} |
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} |
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public ItemScope getAsNested() { |
| 216 | 0 | return (ItemScope) content; |
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} |
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public String toJSON() { |
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String contentStr; |
| 221 | 0 | if(content instanceof String) { |
| 222 | 0 | contentStr = "\"" + StringUtils.escapeAsJSONString((String) content) + "\""; |
| 223 | 0 | } else if(content instanceof Date) { |
| 224 | 0 | contentStr = "\"" + sdf.format((Date) content) + "\""; |
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} else { |
| 226 | 0 | contentStr = content.toString(); |
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} |
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| 229 | 0 | return String.format( "{ \"content\" : %s, \"type\" : \"%s\" }", contentStr, type ); |
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} |
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@Override |
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public String toString() { |
| 234 | 0 | return toJSON(); |
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} |
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@Override |
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public int hashCode() { |
| 239 | 0 | return content.hashCode() * type.hashCode() * 2; |
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} |
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@Override |
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public boolean equals(Object obj) { |
| 244 | 0 | if(obj == null) { |
| 245 | 0 | return false; |
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} |
| 247 | 0 | if(obj == this) { |
| 248 | 0 | return true; |
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} |
| 250 | 0 | if(obj instanceof ItemPropValue) { |
| 251 | 0 | final ItemPropValue other = (ItemPropValue) obj; |
| 252 | 0 | return content.equals(other.content) && type.equals(other.type); |
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} |
| 254 | 0 | return false; |
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} |
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} |