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Polish
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parent
818d3bd230
commit
20d39f7af2
@ -193,19 +193,27 @@ public class VcapApplicationListener implements
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}
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}
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@SuppressWarnings("unchecked")
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private void flatten(Properties properties, Map<String, Object> input, String path) {
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for (Entry<String, Object> entry : input.entrySet()) {
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String key = entry.getKey();
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if (StringUtils.hasText(path)) {
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if (key.startsWith("[")) {
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key = path + key;
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}
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else {
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key = path + "." + key;
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}
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}
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String key = getFullKey(path, entry.getKey());
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Object value = entry.getValue();
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if (value instanceof String) {
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if (value instanceof Map) {
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// Need a compound key
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flatten(properties, (Map<String, Object>) value, key);
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}
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else if (value instanceof Collection) {
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// Need a compound key
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Collection<Object> collection = (Collection<Object>) value;
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properties.put(key,
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StringUtils.collectionToCommaDelimitedString(collection));
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int count = 0;
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for (Object item : collection) {
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String itemKey = "[" + (count++) + "]";
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flatten(properties, Collections.singletonMap(itemKey, item), key);
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}
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}
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else if (value instanceof String) {
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properties.put(key, value);
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}
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else if (value instanceof Number) {
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@ -214,28 +222,20 @@ public class VcapApplicationListener implements
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else if (value instanceof Boolean) {
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properties.put(key, value.toString());
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}
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else if (value instanceof Map) {
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// Need a compound key
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@SuppressWarnings("unchecked")
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Map<String, Object> map = (Map<String, Object>) value;
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flatten(properties, map, key);
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}
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else if (value instanceof Collection) {
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// Need a compound key
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@SuppressWarnings("unchecked")
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Collection<Object> collection = (Collection<Object>) value;
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properties.put(key,
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StringUtils.collectionToCommaDelimitedString(collection));
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int count = 0;
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for (Object object : collection) {
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flatten(properties,
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Collections.singletonMap("[" + (count++) + "]", object), key);
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}
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}
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else {
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properties.put(key, value == null ? "" : value);
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}
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}
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}
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private String getFullKey(String path, String key) {
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if (!StringUtils.hasText(path)) {
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return key;
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}
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if (key.startsWith("[")) {
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return path + key;
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}
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return path + "." + key;
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}
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}
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