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| 1 | +package com.contentstack.sdk; |
| 2 | + |
| 3 | +import android.text.TextUtils; |
| 4 | + |
| 5 | +import org.json.JSONException; |
| 6 | +import org.json.JSONObject; |
| 7 | + |
| 8 | +import java.util.ArrayList; |
| 9 | +import java.util.Arrays; |
| 10 | +import java.util.HashMap; |
| 11 | +import java.util.Iterator; |
| 12 | +import java.util.Map; |
| 13 | +import java.util.Objects; |
| 14 | + |
| 15 | +public class DefaultOption implements Option { |
| 16 | + @Override |
| 17 | + public String renderOptions(JSONObject embeddedObject, Metadata metadata) { |
| 18 | + switch (metadata.getStyleType()) { |
| 19 | + case BLOCK: |
| 20 | + return "<div><p>" + findTitleOrUid(embeddedObject) + "</p><div><p>Content type: <span>" + embeddedObject.optString("_content_type_uid") + "</span></p></div>"; |
| 21 | + case INLINE: |
| 22 | + return "<span>" + findTitleOrUid(embeddedObject) + "</span>"; |
| 23 | + case LINK: |
| 24 | + return "<a href=\"" + embeddedObject.optString("url") + "\">" + findTitleOrUid(embeddedObject) + "</a>"; |
| 25 | + case DISPLAY: |
| 26 | + return "<img src=\"" + embeddedObject.optString("url") + "\" alt=\"" + findAssetTitle(embeddedObject) + "\" />"; |
| 27 | + default: |
| 28 | + return ""; |
| 29 | + } |
| 30 | + } |
| 31 | + |
| 32 | + @Override |
| 33 | + public String renderMark(MarkType markType, String text) { |
| 34 | + switch (markType) { |
| 35 | + case SUPERSCRIPT: |
| 36 | + return "<sup>" + text + "</sup>"; |
| 37 | + case SUBSCRIPT: |
| 38 | + return "<sub>" + text + "</sub>"; |
| 39 | + case INLINECODE: |
| 40 | + return "<span>" + text + "</span>"; |
| 41 | + case STRIKETHROUGH: |
| 42 | + return "<strike>" + text + "</strike>"; |
| 43 | + case UNDERLINE: |
| 44 | + return "<u>" + text + "</u>"; |
| 45 | + case ITALIC: |
| 46 | + return "<em>" + text + "</em>"; |
| 47 | + case BOLD: |
| 48 | + return "<strong>" + text + "</strong>"; |
| 49 | + case BREAK: |
| 50 | + return "<br />" + text.replace("\n", ""); |
| 51 | + default: |
| 52 | + return text; |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + private String escapeInjectHtml(JSONObject nodeObj, String nodeType) { |
| 57 | + String injectedHtml = getNodeStr(nodeObj, nodeType); |
| 58 | + return TextUtils.htmlEncode(injectedHtml); |
| 59 | + } |
| 60 | + |
| 61 | + @Override |
| 62 | + public String renderNode(String nodeType, JSONObject nodeObject, NodeCallback callback) { |
| 63 | + String strAttrs = strAttrs(nodeObject); |
| 64 | + String children = callback.renderChildren(nodeObject.optJSONArray("children")); |
| 65 | + switch (nodeType) { |
| 66 | + case "p": |
| 67 | + return "<p" + strAttrs + ">" + children + "</p>"; |
| 68 | + case "a": |
| 69 | + return "<a" + strAttrs + " href=\"" + escapeInjectHtml(nodeObject, "href") + "\">" + children + "</a>"; |
| 70 | + case "img": |
| 71 | + String assetLink = getNodeStr(nodeObject, "asset-link"); |
| 72 | + if (!assetLink.isEmpty()) { |
| 73 | + JSONObject attrs = nodeObject.optJSONObject("attrs"); |
| 74 | + if (attrs.has("link")) { |
| 75 | + return "<a href=\"" + escapeInjectHtml(nodeObject, "link") + "\" >" + "<img" + strAttrs + " src=\"" + escapeInjectHtml(nodeObject, "asset-link") + "\" />" + children + "</a>"; |
| 76 | + } |
| 77 | + return "<img" + strAttrs + " src=\"" + escapeInjectHtml(nodeObject, "asset-link") + "\" />" + children; |
| 78 | + } |
| 79 | + return "<img" + strAttrs + " src=\"" + escapeInjectHtml(nodeObject, "src") + "\" />" + children; |
| 80 | + case "embed": |
| 81 | + return "<iframe" + strAttrs + " src=\"" + escapeInjectHtml(nodeObject, "src") + "\"" + children + "</iframe>"; |
| 82 | + case "h1": |
| 83 | + return "<h1" + strAttrs + ">" + children + "</h1>"; |
| 84 | + case "h2": |
| 85 | + return "<h2" + strAttrs + ">" + children + "</h2>"; |
| 86 | + case "h3": |
| 87 | + return "<h3" + strAttrs + ">" + children + "</h3>"; |
| 88 | + case "h4": |
| 89 | + return "<h4" + strAttrs + ">" + children + "</h4>"; |
| 90 | + case "h5": |
| 91 | + return "<h5" + strAttrs + ">" + children + "</h5>"; |
| 92 | + case "h6": |
| 93 | + return "<h6" + strAttrs + ">" + children + "</h6>"; |
| 94 | + case "ol": |
| 95 | + return "<ol" + strAttrs + ">" + children + "</ol>"; |
| 96 | + case "ul": |
| 97 | + return "<ul" + strAttrs + ">" + children + "</ul>"; |
| 98 | + case "li": |
| 99 | + return "<li" + strAttrs + ">" + children + "</li>"; |
| 100 | + case "hr": |
| 101 | + return "<hr" + strAttrs + " />"; |
| 102 | + case "table": |
| 103 | + return "<table " + strAttrs + ">" + children + "</table>"; |
| 104 | + case "thead": |
| 105 | + return "<thead " + strAttrs + ">" + children + "</thead>"; |
| 106 | + case "tbody": |
| 107 | + return "<tbody" + strAttrs + ">" + children + "</tbody>"; |
| 108 | + case "tfoot": |
| 109 | + return "<tfoot" + strAttrs + ">" + children + "</tfoot>"; |
| 110 | + case "tr": |
| 111 | + return "<tr" + strAttrs + ">" + children + "</tr>"; |
| 112 | + case "th": |
| 113 | + return "<th" + strAttrs + ">" + children + "</th>"; |
| 114 | + case "td": |
| 115 | + return "<td" + strAttrs + ">" + children + "</td>"; |
| 116 | + case "blockquote": |
| 117 | + return "<blockquote" + strAttrs + ">" + children + "</blockquote>"; |
| 118 | + case "code": |
| 119 | + return "<code" + strAttrs + ">" + children + "</code>"; |
| 120 | + case "reference": |
| 121 | + return ""; |
| 122 | + case "fragment": |
| 123 | + return "<fragment" + strAttrs + ">" + children + "</fragment>"; |
| 124 | + default: |
| 125 | + return children; |
| 126 | + } |
| 127 | + } |
| 128 | + |
| 129 | + String strAttrs(JSONObject nodeObject) { |
| 130 | + StringBuilder result = new StringBuilder(); |
| 131 | + if (nodeObject.has("attrs")) { |
| 132 | + JSONObject attrsObject = nodeObject.optJSONObject("attrs"); |
| 133 | + if (attrsObject != null && attrsObject.length() > 0) { |
| 134 | + for (Iterator<String> it = attrsObject.keys(); it.hasNext(); ) { |
| 135 | + String key = it.next(); |
| 136 | + Object objValue = attrsObject.opt(key); |
| 137 | + String value = objValue.toString(); |
| 138 | + // If style is available, do styling calculations |
| 139 | + if (Objects.equals(key, "style")) { |
| 140 | + String resultStyle = stringifyStyles(attrsObject.optJSONObject("style")); |
| 141 | + result.append(" ").append(key).append("=\"").append(resultStyle).append("\""); |
| 142 | + } else { |
| 143 | + String[] ignoreKeys = {"href", "asset-link", "src", "url"}; |
| 144 | + ArrayList<String> ignoreKeysList = new ArrayList<>(Arrays.asList(ignoreKeys)); |
| 145 | + if (!ignoreKeysList.contains(key)) { |
| 146 | + result.append(" ").append(key).append("=\"").append(value).append("\""); |
| 147 | + } |
| 148 | + } |
| 149 | + } |
| 150 | + } |
| 151 | + } |
| 152 | + return result.toString(); |
| 153 | + } |
| 154 | + |
| 155 | + private String stringifyStyles(JSONObject style) { |
| 156 | + Map<String, String> styleMap = new HashMap<>(); |
| 157 | + |
| 158 | + // Convert JSONObject to a Map |
| 159 | + Iterator<String> keys = style.keys(); |
| 160 | + while (keys.hasNext()) { |
| 161 | + String key = keys.next(); |
| 162 | + String value = null; |
| 163 | + try { |
| 164 | + value = style.getString(key); |
| 165 | + } catch (JSONException e) { |
| 166 | + throw new RuntimeException(e); |
| 167 | + } |
| 168 | + styleMap.put(key, value); |
| 169 | + } |
| 170 | + |
| 171 | + StringBuilder styleString = new StringBuilder(); |
| 172 | + |
| 173 | + for (Map.Entry<String, String> entry : styleMap.entrySet()) { |
| 174 | + String property = entry.getKey(); |
| 175 | + String value = entry.getValue(); |
| 176 | + |
| 177 | + styleString.append(property).append(": ").append(value).append("; "); |
| 178 | + } |
| 179 | + |
| 180 | + return styleString.toString(); |
| 181 | + } |
| 182 | + |
| 183 | + private String getNodeStr(JSONObject nodeObject, String key) { |
| 184 | + String herf = nodeObject.optJSONObject("attrs").optString(key); // key might be [href/src] |
| 185 | + if (herf == null || herf.isEmpty()) { |
| 186 | + herf = nodeObject.optJSONObject("attrs").optString("url"); |
| 187 | + } |
| 188 | + return herf; |
| 189 | + } |
| 190 | + |
| 191 | + protected String findTitleOrUid(JSONObject embeddedObject) { |
| 192 | + String _title = ""; |
| 193 | + if (embeddedObject != null) { |
| 194 | + if (embeddedObject.has("title") && !embeddedObject.optString("title").isEmpty()) { |
| 195 | + _title = embeddedObject.optString("title"); |
| 196 | + } else if (embeddedObject.has("uid")) { |
| 197 | + _title = embeddedObject.optString("uid"); |
| 198 | + } |
| 199 | + } |
| 200 | + return _title; |
| 201 | + } |
| 202 | + |
| 203 | + protected String findAssetTitle(JSONObject embeddedObject) { |
| 204 | + String _title = ""; |
| 205 | + if (embeddedObject != null) { |
| 206 | + if (embeddedObject.has("title") && !embeddedObject.optString("title").isEmpty()) { |
| 207 | + _title = embeddedObject.optString("title"); |
| 208 | + } else if (embeddedObject.has("filename")) { |
| 209 | + _title = embeddedObject.optString("filename"); |
| 210 | + } else if (embeddedObject.has("uid")) { |
| 211 | + _title = embeddedObject.optString("uid"); |
| 212 | + } |
| 213 | + } |
| 214 | + return _title; |
| 215 | + } |
| 216 | +} |
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